2154314864 has 20 divisors (see below), whose sum is σ = 4495061256. Its totient is φ = 994299072.

The previous prime is 2154314831. The next prime is 2154314887. The reversal of 2154314864 is 4684134512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5178434 + ... + 5178849.

Almost surely, 2^2154314864 is an apocalyptic number.

It is an amenable number.

2154314864 is an abundant number, since it is smaller than the sum of its proper divisors (2340746392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154314864 is a wasteful number, since it uses less digits than its factorization.

2154314864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357304 (or 10357298 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 2154314864 is about 46414.5975313801. The cubic root of 2154314864 is about 1291.5257199647.

The spelling of 2154314864 in words is "two billion, one hundred fifty-four million, three hundred fourteen thousand, eight hundred sixty-four".