2149536816 has 60 divisors (see below), whose sum is σ = 6875109072. Its totient is φ = 614153088.

The previous prime is 2149536791. The next prime is 2149536817. The reversal of 2149536816 is 6186359412.

It is not an unprimeable number, because it can be changed into a prime (2149536817) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1065231 + ... + 1067246.

Almost surely, 2^2149536816 is an apocalyptic number.

It is an amenable number.

2149536816 is an abundant number, since it is smaller than the sum of its proper divisors (4725572256).

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

2149536816 is a wasteful number, since it uses less digits than its factorization.

2149536816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132498 (or 2132489 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2149536816 is about 46363.0975669228. The cubic root of 2149536816 is about 1290.5701896150.

It can be divided in two parts, 21495 and 36816, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 2149536816 in words is "two billion, one hundred forty-nine million, five hundred thirty-six thousand, eight hundred sixteen".