193887897995001 has 48 divisors (see below), whose sum is σ = 304577441853120. Its totient is φ = 109377311662080.

The previous prime is 193887897994961. The next prime is 193887897995159. The reversal of 193887897995001 is 100599798788391.

It is not a de Polignac number, because 193887897995001 - 2⁶ = 193887897994937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193887897994896 and 193887897994905.

It is not an unprimeable number, because it can be changed into a prime (193887897995401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3173731 + ... + 19946136.

It is an arithmetic number, because the mean of its divisors is an integer number (6345363371940).

Almost surely, 2^{193887897995001} is an apocalyptic number.

It is an amenable number.

193887897995001 is a deficient number, since it is larger than the sum of its proper divisors (110689543858119).

193887897995001 is a wasteful number, since it uses less digits than its factorization.

193887897995001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23120614 (or 23120607 counting only the distinct ones).

The product of its (nonzero) digits is 2469035520, while the sum is 84.

The spelling of 193887897995001 in words is "one hundred ninety-three trillion, eight hundred eighty-seven billion, eight hundred ninety-seven million, nine hundred ninety-five thousand, one".