1373475377664 has 1120 divisors, whose sum is σ = 4784847750144. Its totient is φ = 390208389120.

The previous prime is 1373475377647. The next prime is 1373475377671. The reversal of 1373475377664 is 4667735743731.

1373475377664 is a `hidden beast` number, since 1 + 3 + 7 + 3 + 475 + 37 + 76 + 64 = 666.

It is a super-2 number, since 2×1373475377664² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 3459635514 + ... + 3459635910.

Almost surely, 2^{1373475377664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373475377664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392423875072).

1373475377664 is an abundant number, since it is smaller than the sum of its proper divisors (3411372372480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373475377664 is an equidigital number, since it uses as much as digits as its factorization.

1373475377664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 469 counting only the distinct ones).

The product of its digits is 186701760, while the sum is 63.

The spelling of 1373475377664 in words is "one trillion, three hundred seventy-three billion, four hundred seventy-five million, three hundred seventy-seven thousand, six hundred sixty-four".