1970392800864 has 96 divisors (see below), whose sum is σ = 5483676240000. Its totient is φ = 617752756224.

The previous prime is 1970392800863. The next prime is 1970392800917. The reversal of 1970392800864 is 4680082930791.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970392800863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3632289 + ... + 4139360.

It is an arithmetic number, because the mean of its divisors is an integer number (57121627500).

Almost surely, 2^{1970392800864} is an apocalyptic number.

It is an amenable number.

1970392800864 is an abundant number, since it is smaller than the sum of its proper divisors (3513283439136).

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

1970392800864 is a wasteful number, since it uses less digits than its factorization.

1970392800864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771820 (or 7771812 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 1970392800864 in words is "one trillion, nine hundred seventy billion, three hundred ninety-two million, eight hundred thousand, eight hundred sixty-four".