10642644512446 has 16 divisors (see below), whose sum is σ = 15996506983776. Its totient is φ = 5310486560736.

The previous prime is 10642644512417. The next prime is 10642644512453. The reversal of 10642644512446 is 64421544624601.

It is a super-2 number, since 2×10642644512446² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10642644512446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831541 + ... + 4687936.

It is an arithmetic number, because the mean of its divisors is an integer number (999781686486).

Almost surely, 2^{10642644512446} is an apocalyptic number.

10642644512446 is a deficient number, since it is larger than the sum of its proper divisors (5353862471330).

10642644512446 is an equidigital number, since it uses as much as digits as its factorization.

10642644512446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521443.

The product of its (nonzero) digits is 4423680, while the sum is 49.

The spelling of 10642644512446 in words is "ten trillion, six hundred forty-two billion, six hundred forty-four million, five hundred twelve thousand, four hundred forty-six".