10523646465 has 16 divisors (see below), whose sum is σ = 16867440000. Its totient is φ = 5602742912.

The previous prime is 10523646431. The next prime is 10523646541. The reversal of 10523646465 is 56464632501.

It is a cyclic number.

It is not a de Polignac number, because 10523646465 - 2⁹ = 10523645953 is a prime.

It is a super-2 number, since 2×10523646465² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607965 + ... + 625034.

It is an arithmetic number, because the mean of its divisors is an integer number (1054215000).

Almost surely, 2^10523646465 is an apocalyptic number.

10523646465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10523646465 is a deficient number, since it is larger than the sum of its proper divisors (6343793535).

10523646465 is a wasteful number, since it uses less digits than its factorization.

10523646465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233576.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 10523646465 in words is "ten billion, five hundred twenty-three million, six hundred forty-six thousand, four hundred sixty-five".