10239720968 has 16 divisors (see below), whose sum is σ = 19209755580. Its totient is φ = 5117119488.

The previous prime is 10239720961. The next prime is 10239720971. The reversal of 10239720968 is 86902793201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8522613124 + 1717107844 = 92318^2 + 41438^2 .

It is not an unprimeable number, because it can be changed into a prime (10239720961) 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, 326705 + ... + 356672.

Almost surely, 2^10239720968 is an apocalyptic number.

It is an amenable number.

10239720968 is a deficient number, since it is larger than the sum of its proper divisors (8970034612).

10239720968 is a wasteful number, since it uses less digits than its factorization.

10239720968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685256 (or 685252 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 10239720968 in words is "ten billion, two hundred thirty-nine million, seven hundred twenty thousand, nine hundred sixty-eight".