1392772904964 has 81 divisors (see below), whose sum is σ = 4095561320487. Its totient is φ = 397920953808.

The previous prime is 1392772904959. The next prime is 1392772904969. The reversal of 1392772904964 is 4694092772931.

The square root of 1392772904964 is 1180158.

It is a perfect power (a square), and thus also a powerful number.

1392772904964 is a `hidden beast` number, since 1 + 39 + 27 + 7 + 2 + 90 + 496 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1392772904959) and next prime (1392772904969).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1392772904969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49552587 + ... + 49580685.

Almost surely, 2^{1392772904964} is an apocalyptic number.

1392772904964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1392772904964 is the 1180158-th square number.

It is an amenable number.

1392772904964 is an abundant number, since it is smaller than the sum of its proper divisors (2702788415523).

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

1392772904964 is an frugal number, since it uses more digits than its factorization.

1392772904964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56222 (or 28111 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 1392772904964 in words is "one trillion, three hundred ninety-two billion, seven hundred seventy-two million, nine hundred four thousand, nine hundred sixty-four".