1377572664393 has 24 divisors (see below), whose sum is σ = 2026226779200. Its totient is φ = 901623096864.

The previous prime is 1377572664389. The next prime is 1377572664409. The reversal of 1377572664393 is 3934662757731.

1377572664393 is a `hidden beast` number, since 1 + 3 + 7 + 75 + 72 + 66 + 439 + 3 = 666.

It is not a de Polignac number, because 1377572664393 - 2² = 1377572664389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377572664393.

It is not an unprimeable number, because it can be changed into a prime (1377572664313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1311573 + ... + 2115506.

It is an arithmetic number, because the mean of its divisors is an integer number (84426115800).

Almost surely, 2^{1377572664393} is an apocalyptic number.

It is an amenable number.

1377572664393 is a deficient number, since it is larger than the sum of its proper divisors (648654114807).

1377572664393 is a wasteful number, since it uses less digits than its factorization.

1377572664393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427901 (or 3427898 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 63.

The spelling of 1377572664393 in words is "one trillion, three hundred seventy-seven billion, five hundred seventy-two million, six hundred sixty-four thousand, three hundred ninety-three".