10642239297 has 8 divisors (see below), whose sum is σ = 15766280480. Its totient is φ = 7094826180.

The previous prime is 10642239277. The next prime is 10642239319. The reversal of 10642239297 is 79293224601.

10642239297 is a `hidden beast` number, since 106 + 422 + 39 + 2 + 97 = 666.

It is not a de Polignac number, because 10642239297 - 2²⁸ = 10373803841 is a prime.

It is a super-2 number, since 2×10642239297² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642239277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197078479 + ... + 197078532.

It is an arithmetic number, because the mean of its divisors is an integer number (1970785060).

Almost surely, 2^10642239297 is an apocalyptic number.

It is an amenable number.

10642239297 is a deficient number, since it is larger than the sum of its proper divisors (5124041183).

10642239297 is an equidigital number, since it uses as much as digits as its factorization.

10642239297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394157020 (or 394157014 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 10642239297 in words is "ten billion, six hundred forty-two million, two hundred thirty-nine thousand, two hundred ninety-seven".