2599090349 has 4 divisors (see below), whose sum is σ = 2599232064. Its totient is φ = 2598948636.

The previous prime is 2599090301. The next prime is 2599090357. The reversal of 2599090349 is 9430909952.

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 a cyclic number.

It is not a de Polignac number, because 2599090349 - 2²⁰ = 2598041773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2599090297 and 2599090306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2599390349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38387 + ... + 81680.

It is an arithmetic number, because the mean of its divisors is an integer number (649808016).

Almost surely, 2^2599090349 is an apocalyptic number.

It is an amenable number.

2599090349 is a deficient number, since it is larger than the sum of its proper divisors (141715).

2599090349 is a wasteful number, since it uses less digits than its factorization.

2599090349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141714.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 2599090349 is about 50981.2744936805. The cubic root of 2599090349 is about 1374.9084851930.

The spelling of 2599090349 in words is "two billion, five hundred ninety-nine million, ninety thousand, three hundred forty-nine".