2621205152 has 24 divisors (see below), whose sum is σ = 5166774900. Its totient is φ = 1309008384.

The previous prime is 2621205131. The next prime is 2621205157. The reversal of 2621205152 is 2515021262.

It can be written as a sum of positive squares in 2 ways, for example, as 2432856976 + 188348176 = 49324^2 + 13724^2 .

It is not an unprimeable number, because it can be changed into a prime (2621205157) 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, 22877 + ... + 75932.

Almost surely, 2^2621205152 is an apocalyptic number.

It is an amenable number.

2621205152 is a deficient number, since it is larger than the sum of its proper divisors (2545569748).

2621205152 is an equidigital number, since it uses as much as digits as its factorization.

2621205152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99648 (or 99640 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2621205152 is about 51197.7065111319. The cubic root of 2621205152 is about 1378.7970248798.

The spelling of 2621205152 in words is "two billion, six hundred twenty-one million, two hundred five thousand, one hundred fifty-two".