6739990571 has 2 divisors, whose sum is σ = 6739990572. Its totient is φ = 6739990570.

The previous prime is 6739990547. The next prime is 6739990627. The reversal of 6739990571 is 1750999376.

It is an a-pointer prime, because the next prime (6739990627) can be obtained adding 6739990571 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6739990571 - 2³⁰ = 5666248747 is a prime.

It is not a weakly prime, because it can be changed into another prime (6739990511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369995285 + 3369995286.

It is an arithmetic number, because the mean of its divisors is an integer number (3369995286).

Almost surely, 2^6739990571 is an apocalyptic number.

6739990571 is a deficient number, since it is larger than the sum of its proper divisors (1).

6739990571 is an equidigital number, since it uses as much as digits as its factorization.

6739990571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3214890, while the sum is 56.

The square root of 6739990571 is about 82097.4455814552. The cubic root of 6739990571 is about 1888.9469578789.

The spelling of 6739990571 in words is "six billion, seven hundred thirty-nine million, nine hundred ninety thousand, five hundred seventy-one".