1373017644061 has 64 divisors (see below), whose sum is σ = 1720271831040. Its totient is φ = 1070325527040.

The previous prime is 1373017643989. The next prime is 1373017644137. The reversal of 1373017644061 is 1604467103731.

It is a de Polignac number, because none of the positive numbers 2^k-1373017644061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1373017643999 and 1373017644017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373017644161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74139775 + ... + 74158291.

It is an arithmetic number, because the mean of its divisors is an integer number (26879247360).

Almost surely, 2^{1373017644061} is an apocalyptic number.

It is an amenable number.

1373017644061 is a deficient number, since it is larger than the sum of its proper divisors (347254186979).

1373017644061 is a wasteful number, since it uses less digits than its factorization.

1373017644061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 1373017644061 in words is "one trillion, three hundred seventy-three billion, seventeen million, six hundred forty-four thousand, sixty-one".