2390899531 has 2 divisors, whose sum is σ = 2390899532. Its totient is φ = 2390899530.

The previous prime is 2390899487. The next prime is 2390899547. The reversal of 2390899531 is 1359980932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2390899531 - 2¹⁵ = 2390866763 is a prime.

It is a super-2 number, since 2×2390899531² = 11432801134672039922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2390899571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195449765 + 1195449766.

It is an arithmetic number, because the mean of its divisors is an integer number (1195449766).

Almost surely, 2^2390899531 is an apocalyptic number.

2390899531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390899531 is an equidigital number, since it uses as much as digits as its factorization.

2390899531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 2390899531 is about 48896.8253672976. The cubic root of 2390899531 is about 1337.1714917548.

The spelling of 2390899531 in words is "two billion, three hundred ninety million, eight hundred ninety-nine thousand, five hundred thirty-one".