2645656532 has 6 divisors (see below), whose sum is σ = 4629898938. Its totient is φ = 1322828264.

The previous prime is 2645656513. The next prime is 2645656553. The reversal of 2645656532 is 2356565462.

2645656532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1862440336 + 783216196 = 43156^2 + 27986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330707063 + ... + 330707070.

It is an arithmetic number, because the mean of its divisors is an integer number (771649823).

Almost surely, 2^2645656532 is an apocalyptic number.

It is an amenable number.

2645656532 is a deficient number, since it is larger than the sum of its proper divisors (1984242406).

2645656532 is a wasteful number, since it uses less digits than its factorization.

2645656532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661414137 (or 661414135 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 44.

The square root of 2645656532 is about 51435.9459133396. The cubic root of 2645656532 is about 1383.0710385678.

The spelling of 2645656532 in words is "two billion, six hundred forty-five million, six hundred fifty-six thousand, five hundred thirty-two".