6629245990 has 64 divisors (see below), whose sum is σ = 12373171200. Its totient is φ = 2556170496.

The previous prime is 6629245969. The next prime is 6629246111. The reversal of 6629245990 is 995429266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6379891 + ... + 6380929.

It is an arithmetic number, because the mean of its divisors is an integer number (193330800).

Almost surely, 2^6629245990 is an apocalyptic number.

6629245990 is a deficient number, since it is larger than the sum of its proper divisors (5743925210).

6629245990 is a wasteful number, since it uses less digits than its factorization.

6629245990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 6629245990 is about 81420.1817119073. The cubic root of 6629245990 is about 1878.5440279450.

The spelling of 6629245990 in words is "six billion, six hundred twenty-nine million, two hundred forty-five thousand, nine hundred ninety".