1992975903 has 24 divisors (see below), whose sum is σ = 3022484400. Its totient is φ = 1263677184.

The previous prime is 1992975889. The next prime is 1992975917. The reversal of 1992975903 is 3095792991.

It is an interprime number because it is at equal distance from previous prime (1992975889) and next prime (1992975917).

It is not a de Polignac number, because 1992975903 - 2¹⁴ = 1992959519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1992975903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992975953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39498 + ... + 74471.

It is an arithmetic number, because the mean of its divisors is an integer number (125936850).

Almost surely, 2^1992975903 is an apocalyptic number.

1992975903 is a deficient number, since it is larger than the sum of its proper divisors (1029508497).

1992975903 is a wasteful number, since it uses less digits than its factorization.

1992975903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114071 (or 114068 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 1992975903 is about 44642.7586849200. The cubic root of 1992975903 is about 1258.4443518538. Note that the first 3 decimals are identical.

The spelling of 1992975903 in words is "one billion, nine hundred ninety-two million, nine hundred seventy-five thousand, nine hundred three".