2538607369 has 4 divisors (see below), whose sum is σ = 2545002244. Its totient is φ = 2532212496.

The previous prime is 2538607361. The next prime is 2538607403. The reversal of 2538607369 is 9637068352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1155660025 + 1382947344 = 33995^2 + 37188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2538607369 - 2³ = 2538607361 is a prime.

It is a super-2 number, since 2×2538607369² = 12889054747882204322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538607361) 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, 3196842 + ... + 3197635.

It is an arithmetic number, because the mean of its divisors is an integer number (636250561).

Almost surely, 2^2538607369 is an apocalyptic number.

It is an amenable number.

2538607369 is a deficient number, since it is larger than the sum of its proper divisors (6394875).

2538607369 is an equidigital number, since it uses as much as digits as its factorization.

2538607369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394874.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2538607369 is about 50384.5945602423. The cubic root of 2538607369 is about 1364.1595848246.

The spelling of 2538607369 in words is "two billion, five hundred thirty-eight million, six hundred seven thousand, three hundred sixty-nine".