10533565313 has 4 divisors (see below), whose sum is σ = 11153186820. Its totient is φ = 9913943808.

The previous prime is 10533565309. The next prime is 10533565321. The reversal of 10533565313 is 31356533501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3106055824 + 7427509489 = 55732^2 + 86183^2 .

It is a cyclic number.

It is not a de Polignac number, because 10533565313 - 2² = 10533565309 is a prime.

It is a super-2 number, since 2×10533565313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10533565333) 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, 309810728 + ... + 309810761.

It is an arithmetic number, because the mean of its divisors is an integer number (2788296705).

Almost surely, 2^10533565313 is an apocalyptic number.

It is an amenable number.

10533565313 is a deficient number, since it is larger than the sum of its proper divisors (619621507).

10533565313 is an equidigital number, since it uses as much as digits as its factorization.

10533565313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619621506.

The product of its (nonzero) digits is 60750, while the sum is 35.

The spelling of 10533565313 in words is "ten billion, five hundred thirty-three million, five hundred sixty-five thousand, three hundred thirteen".