2621042650 has 24 divisors (see below), whose sum is σ = 4888982844. Its totient is φ = 1045440000.

The previous prime is 2621042621. The next prime is 2621042681. The reversal of 2621042650 is 562401262.

It can be written as a sum of positive squares in 6 ways, for example, as 488542609 + 2132500041 = 22103^2 + 46179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56601 + ... + 91900.

Almost surely, 2^2621042650 is an apocalyptic number.

2621042650 is a deficient number, since it is larger than the sum of its proper divisors (2267940194).

2621042650 is a wasteful number, since it uses less digits than its factorization.

2621042650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148866 (or 148861 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2621042650 is about 51196.1194818514. The cubic root of 2621042650 is about 1378.7685313827.

The spelling of 2621042650 in words is "two billion, six hundred twenty-one million, forty-two thousand, six hundred fifty".