2621039902 has 32 divisors (see below), whose sum is σ = 4308111360. Its totient is φ = 1188691680.

The previous prime is 2621039851. The next prime is 2621039903. The reversal of 2621039902 is 2099301262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621039903) 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 15 ways as a sum of consecutive naturals, for example, 408999 + ... + 415357.

It is an arithmetic number, because the mean of its divisors is an integer number (134628480).

Almost surely, 2^2621039902 is an apocalyptic number.

2621039902 is a deficient number, since it is larger than the sum of its proper divisors (1687071458).

2621039902 is a wasteful number, since it uses less digits than its factorization.

2621039902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2621039902 is about 51196.0926438727. The cubic root of 2621039902 is about 1378.7680495315.

The spelling of 2621039902 in words is "two billion, six hundred twenty-one million, thirty-nine thousand, nine hundred two".