2157475004 has 24 divisors (see below), whose sum is σ = 3998117760. Its totient is φ = 1015836336.

The previous prime is 2157474989. The next prime is 2157475027. The reversal of 2157475004 is 4005747512.

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, 72302 + ... + 97685.

It is an arithmetic number, because the mean of its divisors is an integer number (166588240).

Almost surely, 2^2157475004 is an apocalyptic number.

It is an amenable number.

2157475004 is a deficient number, since it is larger than the sum of its proper divisors (1840642756).

2157475004 is a wasteful number, since it uses less digits than its factorization.

2157475004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170177 (or 170175 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 2157475004 is about 46448.6275792945. The cubic root of 2157475004 is about 1292.1569195674.

The spelling of 2157475004 in words is "two billion, one hundred fifty-seven million, four hundred seventy-five thousand, four".