6690939325 has 12 divisors (see below), whose sum is σ = 9482017120. Its totient is φ = 4588072560.

The previous prime is 6690939313. The next prime is 6690939329. The reversal of 6690939325 is 5239390966.

It is a happy number.

It is not a de Polignac number, because 6690939325 - 2⁵ = 6690939293 is a prime.

It is a super-3 number, since 3×6690939325³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690939329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19116795 + ... + 19117144.

Almost surely, 2^6690939325 is an apocalyptic number.

It is an amenable number.

6690939325 is a deficient number, since it is larger than the sum of its proper divisors (2791077795).

6690939325 is a wasteful number, since it uses less digits than its factorization.

6690939325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38233956 (or 38233951 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 52.

The square root of 6690939325 is about 81798.1621126050. The cubic root of 6690939325 is about 1884.3534358435.

The spelling of 6690939325 in words is "six billion, six hundred ninety million, nine hundred thirty-nine thousand, three hundred twenty-five".