1973316992 has 32 divisors (see below), whose sum is σ = 3970166400. Its totient is φ = 976883200.

The previous prime is 1973316979. The next prime is 1973317033. The reversal of 1973316992 is 2996133791.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1973316992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63392 + ... + 89247.

It is an arithmetic number, because the mean of its divisors is an integer number (124067700).

Almost surely, 2^1973316992 is an apocalyptic number.

It is an amenable number.

1973316992 is an abundant number, since it is smaller than the sum of its proper divisors (1996849408).

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

1973316992 is a wasteful number, since it uses less digits than its factorization.

1973316992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152754 (or 152742 counting only the distinct ones).

The product of its digits is 551124, while the sum is 50.

The square root of 1973316992 is about 44422.0327315174. The cubic root of 1973316992 is about 1254.2928651300.

The spelling of 1973316992 in words is "one billion, nine hundred seventy-three million, three hundred sixteen thousand, nine hundred ninety-two".