2149494896 has 20 divisors (see below), whose sum is σ = 4223305584. Its totient is φ = 1059609600.

The previous prime is 2149494889. The next prime is 2149494901. The reversal of 2149494896 is 6984949412.

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, 944945 + ... + 947216.

Almost surely, 2^2149494896 is an apocalyptic number.

It is an amenable number.

2149494896 is a deficient number, since it is larger than the sum of its proper divisors (2073810688).

2149494896 is a wasteful number, since it uses less digits than its factorization.

2149494896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892240 (or 1892234 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 2149494896 is about 46362.6454810335. The cubic root of 2149494896 is about 1290.5618000473.

The spelling of 2149494896 in words is "two billion, one hundred forty-nine million, four hundred ninety-four thousand, eight hundred ninety-six".