1992523512 has 64 divisors (see below), whose sum is σ = 5876582400. Its totient is φ = 550926720.

The previous prime is 1992523469. The next prime is 1992523529. The reversal of 1992523512 is 2153252991.

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, 186087 + ... + 196502.

It is an arithmetic number, because the mean of its divisors is an integer number (91821600).

Almost surely, 2^1992523512 is an apocalyptic number.

1992523512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1992523512 is an abundant number, since it is smaller than the sum of its proper divisors (3884058888).

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

1992523512 is a wasteful number, since it uses less digits than its factorization.

1992523512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382636 (or 382632 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 1992523512 is about 44637.6916069816. The cubic root of 1992523512 is about 1258.3491254172.

The spelling of 1992523512 in words is "one billion, nine hundred ninety-two million, five hundred twenty-three thousand, five hundred twelve".