2153471764 has 24 divisors (see below), whose sum is σ = 3800379240. Its totient is φ = 1067667456.

The previous prime is 2153471737. The next prime is 2153471783. The reversal of 2153471764 is 4671743512.

It can be written as a sum of positive squares in 4 ways, for example, as 132250000 + 2021221764 = 11500^2 + 44958^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665302 + ... + 668530.

It is an arithmetic number, because the mean of its divisors is an integer number (158349135).

Almost surely, 2^2153471764 is an apocalyptic number.

It is an amenable number.

2153471764 is a deficient number, since it is larger than the sum of its proper divisors (1646907476).

2153471764 is a wasteful number, since it uses less digits than its factorization.

2153471764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4585 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 2153471764 is about 46405.5143706004. The cubic root of 2153471764 is about 1291.3572166770.

The spelling of 2153471764 in words is "two billion, one hundred fifty-three million, four hundred seventy-one thousand, seven hundred sixty-four".