10638622465 has 8 divisors (see below), whose sum is σ = 12982726080. Its totient is φ = 8366645232.

The previous prime is 10638622441. The next prime is 10638622493. The reversal of 10638622465 is 56422683601.

10638622465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10638622465 - 2³³ = 2048687873 is a prime.

It is a super-2 number, since 2×10638622465² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18031269 + ... + 18031858.

It is an arithmetic number, because the mean of its divisors is an integer number (1622840760).

Almost surely, 2^10638622465 is an apocalyptic number.

It is an amenable number.

10638622465 is a deficient number, since it is larger than the sum of its proper divisors (2344103615).

10638622465 is an equidigital number, since it uses as much as digits as its factorization.

10638622465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36063191.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 10638622465 in words is "ten billion, six hundred thirty-eight million, six hundred twenty-two thousand, four hundred sixty-five".