6681089507 has 2 divisors, whose sum is σ = 6681089508. Its totient is φ = 6681089506.

The previous prime is 6681089497. The next prime is 6681089521. The reversal of 6681089507 is 7059801866.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6681089507 - 2¹⁶ = 6681023971 is a prime.

It is not a weakly prime, because it can be changed into another prime (6681089707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340544753 + 3340544754.

It is an arithmetic number, because the mean of its divisors is an integer number (3340544754).

Almost surely, 2^6681089507 is an apocalyptic number.

6681089507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6681089507 is an equidigital number, since it uses as much as digits as its factorization.

6681089507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 6681089507 is about 81737.9318737635. The cubic root of 6681089507 is about 1883.4283214123.

The spelling of 6681089507 in words is "six billion, six hundred eighty-one million, eighty-nine thousand, five hundred seven".