995000000591 has 2 divisors, whose sum is σ = 995000000592. Its totient is φ = 995000000590.

The previous prime is 995000000573. The next prime is 995000000663. The reversal of 995000000591 is 195000000599.

It is a weak prime.

It is an emirp because it is prime and its reverse (195000000599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 995000000591 - 2²⁶ = 994932891727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995000000521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497500000295 + 497500000296.

It is an arithmetic number, because the mean of its divisors is an integer number (497500000296).

Almost surely, 2^995000000591 is an apocalyptic number.

995000000591 is a deficient number, since it is larger than the sum of its proper divisors (1).

995000000591 is an equidigital number, since it uses as much as digits as its factorization.

995000000591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 38.

The spelling of 995000000591 in words is "nine hundred ninety-five billion, five hundred ninety-one", and thus it is an aban number.