4619568691 has 2 divisors, whose sum is σ = 4619568692. Its totient is φ = 4619568690.

The previous prime is 4619568649. The next prime is 4619568697. The reversal of 4619568691 is 1968659164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4619568691 - 2¹¹ = 4619566643 is a prime.

It is not a weakly prime, because it can be changed into another prime (4619568697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309784345 + 2309784346.

It is an arithmetic number, because the mean of its divisors is an integer number (2309784346).

Almost surely, 2^4619568691 is an apocalyptic number.

4619568691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619568691 is an equidigital number, since it uses as much as digits as its factorization.

4619568691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The square root of 4619568691 is about 67967.4090355076. The cubic root of 4619568691 is about 1665.4584784114.

The spelling of 4619568691 in words is "four billion, six hundred nineteen million, five hundred sixty-eight thousand, six hundred ninety-one".