18769274001 has 9 divisors (see below), whose sum is σ = 27111767241. Its totient is φ = 12512575332.

The previous prime is 18769273987. The next prime is 18769274003. The reversal of 18769274001 is 10047296781.

It is a happy number.

The square root of 18769274001 is 137001.

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

18769274001 is a `hidden beast` number, since 187 + 69 + 2 + 7 + 400 + 1 = 666.

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

It is not a de Polignac number, because 18769274001 - 2¹⁵ = 18769241233 is a prime.

It is a super-2 number, since 2×18769274001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18769274003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 388170 + ... + 433836.

Almost surely, 2^18769274001 is an apocalyptic number.

18769274001 is the 137001-st square number.

18769274001 is the 68501-st centered octagonal number.

It is an amenable number.

18769274001 is a deficient number, since it is larger than the sum of its proper divisors (8342493240).

18769274001 is an frugal number, since it uses more digits than its factorization.

18769274001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91340 (or 45670 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 18769274001 in words is "eighteen billion, seven hundred sixty-nine million, two hundred seventy-four thousand, one".