1375463408764 has 48 divisors (see below), whose sum is σ = 2540071638720. Its totient is φ = 651485749824.

The previous prime is 1375463408647. The next prime is 1375463408771. The reversal of 1375463408764 is 4678043645731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 1375463408699 and 1375463408708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5037457 + ... + 5303479.

It is an arithmetic number, because the mean of its divisors is an integer number (52918159140).

Almost surely, 2^{1375463408764} is an apocalyptic number.

It is an amenable number.

1375463408764 is a deficient number, since it is larger than the sum of its proper divisors (1164608229956).

1375463408764 is an equidigital number, since it uses as much as digits as its factorization.

1375463408764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266167 (or 266107 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 1375463408764 in words is "one trillion, three hundred seventy-five billion, four hundred sixty-three million, four hundred eight thousand, seven hundred sixty-four".