10642634644415 has 4 divisors (see below), whose sum is σ = 12771161573304. Its totient is φ = 8514107715528.

The previous prime is 10642634644403. The next prime is 10642634644417. The reversal of 10642634644415 is 51444643624601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10642634644415 is a prime.

It is a super-2 number, since 2×10642634644415² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642634644417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064263464437 + ... + 1064263464446.

It is an arithmetic number, because the mean of its divisors is an integer number (3192790393326).

Almost surely, 2^{10642634644415} is an apocalyptic number.

10642634644415 is a deficient number, since it is larger than the sum of its proper divisors (2128526928889).

10642634644415 is an equidigital number, since it uses as much as digits as its factorization.

10642634644415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128526928888.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 10642634644415 in words is "ten trillion, six hundred forty-two billion, six hundred thirty-four million, six hundred forty-four thousand, four hundred fifteen".