10625965649 has 4 divisors (see below), whose sum is σ = 11443347636. Its totient is φ = 9808583664.

The previous prime is 10625965627. The next prime is 10625965663. The reversal of 10625965649 is 94656952601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94656952601 = 41 ⋅2308706161.

It can be written as a sum of positive squares in 2 ways, for example, as 1870995025 + 8754970624 = 43255^2 + 93568^2 .

It is a cyclic number.

It is not a de Polignac number, because 10625965649 - 2²⁰ = 10624917073 is a prime.

It is a super-2 number, since 2×10625965649² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10625965649.

It is not an unprimeable number, because it can be changed into a prime (10625965619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408690974 + ... + 408690999.

It is an arithmetic number, because the mean of its divisors is an integer number (2860836909).

Almost surely, 2^10625965649 is an apocalyptic number.

It is an amenable number.

10625965649 is a deficient number, since it is larger than the sum of its proper divisors (817381987).

10625965649 is an equidigital number, since it uses as much as digits as its factorization.

10625965649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817381986.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 10625965649 in words is "ten billion, six hundred twenty-five million, nine hundred sixty-five thousand, six hundred forty-nine".