5604686491 has 2 divisors, whose sum is σ = 5604686492. Its totient is φ = 5604686490.

The previous prime is 5604686467. The next prime is 5604686567. The reversal of 5604686491 is 1946864065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5604686491 - 2³¹ = 3457202843 is a prime.

It is not a weakly prime, because it can be changed into another prime (5604626491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802343245 + 2802343246.

It is an arithmetic number, because the mean of its divisors is an integer number (2802343246).

Almost surely, 2^5604686491 is an apocalyptic number.

5604686491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5604686491 is an equidigital number, since it uses as much as digits as its factorization.

5604686491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 5604686491 is about 74864.4541220999. The cubic root of 5604686491 is about 1776.3032408502.

The spelling of 5604686491 in words is "five billion, six hundred four million, six hundred eighty-six thousand, four hundred ninety-one".