2438529689 has 4 divisors (see below), whose sum is σ = 2438628480. Its totient is φ = 2438430900.

The previous prime is 2438529683. The next prime is 2438529701. The reversal of 2438529689 is 9869258342.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2438529689 - 2²⁸ = 2170094233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438529683) 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, 22964 + ... + 73514.

It is an arithmetic number, because the mean of its divisors is an integer number (609657120).

Almost surely, 2^2438529689 is an apocalyptic number.

It is an amenable number.

2438529689 is a deficient number, since it is larger than the sum of its proper divisors (98791).

2438529689 is an equidigital number, since it uses as much as digits as its factorization.

2438529689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98790.

The product of its digits is 7464960, while the sum is 56.

The square root of 2438529689 is about 49381.4711101239. The cubic root of 2438529689 is about 1345.9926318070.

The spelling of 2438529689 in words is "two billion, four hundred thirty-eight million, five hundred twenty-nine thousand, six hundred eighty-nine".