2649932564 has 6 divisors (see below), whose sum is σ = 4637381994. Its totient is φ = 1324966280.

The previous prime is 2649932561. The next prime is 2649932567. The reversal of 2649932564 is 4652399462.

2649932564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2649932561) and next prime (2649932567).

It can be written as a sum of positive squares in only one way, i.e., 2648131600 + 1800964 = 51460^2 + 1342^2 .

It is a super-2 number, since 2×2649932564² = 14044285187495228192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649932561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331241567 + ... + 331241574.

It is an arithmetic number, because the mean of its divisors is an integer number (772896999).

Almost surely, 2^2649932564 is an apocalyptic number.

It is an amenable number.

2649932564 is a deficient number, since it is larger than the sum of its proper divisors (1987449430).

2649932564 is a wasteful number, since it uses less digits than its factorization.

2649932564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662483145 (or 662483143 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The square root of 2649932564 is about 51477.4957044338. The cubic root of 2649932564 is about 1383.8157652063.

The spelling of 2649932564 in words is "two billion, six hundred forty-nine million, nine hundred thirty-two thousand, five hundred sixty-four".