6687490965 has 16 divisors (see below), whose sum is σ = 11045147136. Its totient is φ = 3451608000.

The previous prime is 6687490951. The next prime is 6687490969. The reversal of 6687490965 is 5690947866.

It is not a de Polignac number, because 6687490965 - 2⁴ = 6687490949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6687490899 and 6687490908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6687490969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7190386 + ... + 7191315.

It is an arithmetic number, because the mean of its divisors is an integer number (690321696).

Almost surely, 2^6687490965 is an apocalyptic number.

It is an amenable number.

6687490965 is a deficient number, since it is larger than the sum of its proper divisors (4357656171).

6687490965 is a wasteful number, since it uses less digits than its factorization.

6687490965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14381740.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The square root of 6687490965 is about 81777.0809273601. The cubic root of 6687490965 is about 1884.0296623884.

The spelling of 6687490965 in words is "six billion, six hundred eighty-seven million, four hundred ninety thousand, nine hundred sixty-five".