3479684687 has 2 divisors, whose sum is σ = 3479684688. Its totient is φ = 3479684686.

The previous prime is 3479684629. The next prime is 3479684693. The reversal of 3479684687 is 7864869743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3479684687 - 2⁸ = 3479684431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3479684587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739842343 + 1739842344.

It is an arithmetic number, because the mean of its divisors is an integer number (1739842344).

Almost surely, 2^3479684687 is an apocalyptic number.

3479684687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3479684687 is an equidigital number, since it uses as much as digits as its factorization.

3479684687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 62.

The square root of 3479684687 is about 58988.8522265012. The cubic root of 3479684687 is about 1515.3512003353.

The spelling of 3479684687 in words is "three billion, four hundred seventy-nine million, six hundred eighty-four thousand, six hundred eighty-seven".