2489606369 has 4 divisors (see below), whose sum is σ = 2497716144. Its totient is φ = 2481496596.

The previous prime is 2489606321. The next prime is 2489606401. The reversal of 2489606369 is 9636069842.

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 2489606369 - 2⁸ = 2489606113 is a prime.

It is a super-2 number, since 2×2489606369² = 12396279745130728322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2489606369.

It is not an unprimeable number, because it can be changed into a prime (2489626369) 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, 4054427 + ... + 4055040.

It is an arithmetic number, because the mean of its divisors is an integer number (624429036).

Almost surely, 2^2489606369 is an apocalyptic number.

It is an amenable number.

2489606369 is a deficient number, since it is larger than the sum of its proper divisors (8109775).

2489606369 is an equidigital number, since it uses as much as digits as its factorization.

2489606369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109774.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 2489606369 is about 49895.9554372897. The cubic root of 2489606369 is about 1355.3253520820.

The spelling of 2489606369 in words is "two billion, four hundred eighty-nine million, six hundred six thousand, three hundred sixty-nine".