2149311488 has 22 divisors (see below), whose sum is σ = 4296526086. Its totient is φ = 1074655232.

The previous prime is 2149311473. The next prime is 2149311557. The reversal of 2149311488 is 8841139412.

It can be written as a sum of positive squares in only one way, i.e., 1236788224 + 912523264 = 35168^2 + 30208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048445 + ... + 1050492.

Almost surely, 2^2149311488 is an apocalyptic number.

It is an amenable number.

2149311488 is a deficient number, since it is larger than the sum of its proper divisors (2147214598).

2149311488 is an equidigital number, since it uses as much as digits as its factorization.

2149311488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098957 (or 2098939 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 2149311488 is about 46360.6674671537. The cubic root of 2149311488 is about 1290.5250928048.

The spelling of 2149311488 in words is "two billion, one hundred forty-nine million, three hundred eleven thousand, four hundred eighty-eight".