2538306479 has 4 divisors (see below), whose sum is σ = 2540340000. Its totient is φ = 2536272960.

The previous prime is 2538306467. The next prime is 2538306481. The reversal of 2538306479 is 9746038352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2538306479 - 2⁸ = 2538306223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538306409) 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, 1014887 + ... + 1017384.

It is an arithmetic number, because the mean of its divisors is an integer number (635085000).

Almost surely, 2^2538306479 is an apocalyptic number.

2538306479 is a deficient number, since it is larger than the sum of its proper divisors (2033521).

2538306479 is a wasteful number, since it uses less digits than its factorization.

2538306479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033520.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2538306479 is about 50381.6085392279. The cubic root of 2538306479 is about 1364.1056867438.

The spelling of 2538306479 in words is "two billion, five hundred thirty-eight million, three hundred six thousand, four hundred seventy-nine".