193468902201 has 9 divisors (see below), whose sum is σ = 279456986991. Its totient is φ = 128978388432.

The previous prime is 193468902191. The next prime is 193468902217. The reversal of 193468902201 is 102209864391.

The square root of 193468902201 is 439851.

It is a perfect power (a square), and thus also a powerful number.

193468902201 is a `hidden beast` number, since 1 + 9 + 346 + 89 + 0 + 220 + 1 = 666.

193468902201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 102761919225 + 90706982976 = 320565^2 + 301176^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-193468902201 is a prime.

It is a super-2 number, since 2×193468902201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193468902301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1246245 + ... + 1392861.

Almost surely, 2^193468902201 is an apocalyptic number.

193468902201 is the 439851-st square number.

193468902201 is the 219926-th centered octagonal number.

It is an amenable number.

193468902201 is a deficient number, since it is larger than the sum of its proper divisors (85988084790).

193468902201 is an frugal number, since it uses more digits than its factorization.

193468902201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293240 (or 146620 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 193468902201 in words is "one hundred ninety-three billion, four hundred sixty-eight million, nine hundred two thousand, two hundred one".