2590216989 has 4 divisors (see below), whose sum is σ = 3453622656. Its totient is φ = 1726811324.

The previous prime is 2590216987. The next prime is 2590216991. The reversal of 2590216989 is 9896120952.

2590216989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2590216987) and next prime (2590216991).

It is a cyclic number.

It is not a de Polignac number, because 2590216989 - 2¹ = 2590216987 is a prime.

It is a super-2 number, since 2×2590216989² = 13418448100208452242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2590216987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431702829 + ... + 431702834.

It is an arithmetic number, because the mean of its divisors is an integer number (863405664).

Almost surely, 2^2590216989 is an apocalyptic number.

It is an amenable number.

2590216989 is a deficient number, since it is larger than the sum of its proper divisors (863405667).

2590216989 is an equidigital number, since it uses as much as digits as its factorization.

2590216989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863405666.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 2590216989 is about 50894.1744112231. The cubic root of 2590216989 is about 1373.3420438003.

The spelling of 2590216989 in words is "two billion, five hundred ninety million, two hundred sixteen thousand, nine hundred eighty-nine".