10642644512445 has 64 divisors (see below), whose sum is σ = 18786656436480. Its totient is φ = 5101768704000.

The previous prime is 10642644512417. The next prime is 10642644512453. The reversal of 10642644512445 is 54421544624601.

It is not a de Polignac number, because 10642644512445 - 2¹⁶ = 10642644446909 is a prime.

It is a super-2 number, since 2×10642644512445² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10642644512394 and 10642644512403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11365117 + ... + 12265853.

It is an arithmetic number, because the mean of its divisors is an integer number (293541506820).

Almost surely, 2^{10642644512445} is an apocalyptic number.

10642644512445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10642644512445 is a deficient number, since it is larger than the sum of its proper divisors (8144011924035).

10642644512445 is a wasteful number, since it uses less digits than its factorization.

10642644512445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901566.

The product of its (nonzero) digits is 3686400, while the sum is 48.

The spelling of 10642644512445 in words is "ten trillion, six hundred forty-two billion, six hundred forty-four million, five hundred twelve thousand, four hundred forty-five".