6635250506404 has 45 divisors (see below), whose sum is σ = 12580946031381. Its totient is φ = 3062021470560.

The previous prime is 6635250506363. The next prime is 6635250506461. The reversal of 6635250506404 is 4046050525366.

The square root of 6635250506404 is 2575898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 5409801506404 + 1225449000000 = 2325898^2 + 1107000^2 .

It is a super-2 number, since 2×6635250506404² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 870649714 + ... + 870657334.

Almost surely, 2^{6635250506404} is an apocalyptic number.

6635250506404 is the 2575898-th square number.

It is an amenable number.

6635250506404 is a deficient number, since it is larger than the sum of its proper divisors (5945695524977).

6635250506404 is an frugal number, since it uses more digits than its factorization.

6635250506404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15298 (or 7636 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 6635250506404 in words is "six trillion, six hundred thirty-five billion, two hundred fifty million, five hundred six thousand, four hundred four".