2149357216 has 24 divisors (see below), whose sum is σ = 4454261280. Its totient is φ = 1018116288.

The previous prime is 2149357213. The next prime is 2149357219. The reversal of 2149357216 is 6127539412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2149357213) and next prime (2149357219).

It is not an unprimeable number, because it can be changed into a prime (2149357213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766956 + ... + 1768171.

It is an arithmetic number, because the mean of its divisors is an integer number (185594220).

Almost surely, 2^2149357216 is an apocalyptic number.

It is an amenable number.

2149357216 is an abundant number, since it is smaller than the sum of its proper divisors (2304904064).

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

2149357216 is a wasteful number, since it uses less digits than its factorization.

2149357216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535156 (or 3535148 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 2149357216 is about 46361.1606412091. The cubic root of 2149357216 is about 1290.5342449935.

The spelling of 2149357216 in words is "two billion, one hundred forty-nine million, three hundred fifty-seven thousand, two hundred sixteen".