2649503972 has 12 divisors (see below), whose sum is σ = 4673141760. Its totient is φ = 1314320616.

The previous prime is 2649503959. The next prime is 2649503977. The reversal of 2649503972 is 2793059462.

It is not an unprimeable number, because it can be changed into a prime (2649503977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607272 + ... + 2608287.

It is an arithmetic number, because the mean of its divisors is an integer number (389428480).

Almost surely, 2^2649503972 is an apocalyptic number.

It is an amenable number.

2649503972 is a deficient number, since it is larger than the sum of its proper divisors (2023637788).

2649503972 is a wasteful number, since it uses less digits than its factorization.

2649503972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215690 (or 5215688 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 2649503972 is about 51473.3326296248. The cubic root of 2649503972 is about 1383.7411564720.

The spelling of 2649503972 in words is "two billion, six hundred forty-nine million, five hundred three thousand, nine hundred seventy-two".