5590411991 has 2 divisors, whose sum is σ = 5590411992. Its totient is φ = 5590411990.

The previous prime is 5590411921. The next prime is 5590412021. The reversal of 5590411991 is 1991140955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5590411991 - 2²⁶ = 5523303127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5590411921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795205995 + 2795205996.

It is an arithmetic number, because the mean of its divisors is an integer number (2795205996).

Almost surely, 2^5590411991 is an apocalyptic number.

5590411991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5590411991 is an equidigital number, since it uses as much as digits as its factorization.

5590411991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 44.

The square root of 5590411991 is about 74769.0577110612. The cubic root of 5590411991 is about 1774.7939445788.

The spelling of 5590411991 in words is "five billion, five hundred ninety million, four hundred eleven thousand, nine hundred ninety-one".