10236925981 has 4 divisors (see below), whose sum is σ = 10239012000. Its totient is φ = 10234839964.

The previous prime is 10236925957. The next prime is 10236926009. The reversal of 10236925981 is 18952963201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10236925981 is a prime.

It is a super-2 number, since 2×10236925981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10236929981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035631 + ... + 1045468.

It is an arithmetic number, because the mean of its divisors is an integer number (2559753000).

Almost surely, 2^10236925981 is an apocalyptic number.

It is an amenable number.

10236925981 is a deficient number, since it is larger than the sum of its proper divisors (2086019).

10236925981 is an equidigital number, since it uses as much as digits as its factorization.

10236925981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086018.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 10236925981 in words is "ten billion, two hundred thirty-six million, nine hundred twenty-five thousand, nine hundred eighty-one".