1902572961 has 16 divisors (see below), whose sum is σ = 2671233600. Its totient is φ = 1201195008.

The previous prime is 1902572957. The next prime is 1902573017. The reversal of 1902572961 is 1692752091.

It is not a de Polignac number, because 1902572961 - 2² = 1902572957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1902572261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250305 + ... + 257793.

It is an arithmetic number, because the mean of its divisors is an integer number (166952100).

Almost surely, 2^1902572961 is an apocalyptic number.

It is an amenable number.

1902572961 is a deficient number, since it is larger than the sum of its proper divisors (768660639).

1902572961 is a wasteful number, since it uses less digits than its factorization.

1902572961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1902572961 is about 43618.4933371156. The cubic root of 1902572961 is about 1239.1211603588.

The spelling of 1902572961 in words is "one billion, nine hundred two million, five hundred seventy-two thousand, nine hundred sixty-one".