1875641564 has 12 divisors (see below), whose sum is σ = 3284418984. Its totient is φ = 937236144.

The previous prime is 1875641507. The next prime is 1875641653. The reversal of 1875641564 is 4651465781.

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, 138902 + ... + 151805.

It is an arithmetic number, because the mean of its divisors is an integer number (273701582).

Almost surely, 2^1875641564 is an apocalyptic number.

It is an amenable number.

1875641564 is a deficient number, since it is larger than the sum of its proper divisors (1408777420).

1875641564 is a wasteful number, since it uses less digits than its factorization.

1875641564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292324 (or 292322 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 1875641564 is about 43308.6776985860. The cubic root of 1875641564 is about 1233.2466640501.

The spelling of 1875641564 in words is "one billion, eight hundred seventy-five million, six hundred forty-one thousand, five hundred sixty-four".