1925972464 has 40 divisors (see below), whose sum is σ = 4148262272. Its totient is φ = 860232960.

The previous prime is 1925972453. The next prime is 1925972471. The reversal of 1925972464 is 4642795291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142899 + ... + 155794.

Almost surely, 2^1925972464 is an apocalyptic number.

It is an amenable number.

1925972464 is an abundant number, since it is smaller than the sum of its proper divisors (2222289808).

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

1925972464 is a wasteful number, since it uses less digits than its factorization.

1925972464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298745 (or 298739 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 1925972464 is about 43885.9027934939. The cubic root of 1925972464 is about 1244.1804069028.

The spelling of 1925972464 in words is "one billion, nine hundred twenty-five million, nine hundred seventy-two thousand, four hundred sixty-four".