4791591919 has 2 divisors, whose sum is σ = 4791591920. Its totient is φ = 4791591918.

The previous prime is 4791591901. The next prime is 4791591929. The reversal of 4791591919 is 9191951974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4791591919 - 2²¹ = 4789494767 is a prime.

It is a super-2 number, since 2×4791591919² = 45918706236452205122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4791591919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4791591929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395795959 + 2395795960.

It is an arithmetic number, because the mean of its divisors is an integer number (2395795960).

Almost surely, 2^4791591919 is an apocalyptic number.

4791591919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791591919 is an equidigital number, since it uses as much as digits as its factorization.

4791591919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 55.

The square root of 4791591919 is about 69221.3256085146. The cubic root of 4791591919 is about 1685.8798035232.

The spelling of 4791591919 in words is "four billion, seven hundred ninety-one million, five hundred ninety-one thousand, nine hundred nineteen".