2538916539 has 8 divisors (see below), whose sum is σ = 3386041680. Its totient is φ = 1692201216.

The previous prime is 2538916519. The next prime is 2538916543. The reversal of 2538916539 is 9356198352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2538916539 - 2⁷ = 2538916411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2538916491 and 2538916500.

It is not an unprimeable number, because it can be changed into a prime (2538916519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87694 + ... + 112995.

It is an arithmetic number, because the mean of its divisors is an integer number (423255210).

Almost surely, 2^2538916539 is an apocalyptic number.

2538916539 is a deficient number, since it is larger than the sum of its proper divisors (847125141).

2538916539 is a wasteful number, since it uses less digits than its factorization.

2538916539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204909.

The product of its digits is 1749600, while the sum is 51.

The square root of 2538916539 is about 50387.6625673388. The cubic root of 2538916539 is about 1364.2149616563.

The spelling of 2538916539 in words is "two billion, five hundred thirty-eight million, nine hundred sixteen thousand, five hundred thirty-nine".