2136548279 has 2 divisors, whose sum is σ = 2136548280. Its totient is φ = 2136548278.

The previous prime is 2136548263. The next prime is 2136548341. The reversal of 2136548279 is 9728456312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2136548279 - 2⁴ = 2136548263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136548779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068274139 + 1068274140.

It is an arithmetic number, because the mean of its divisors is an integer number (1068274140).

Almost surely, 2^2136548279 is an apocalyptic number.

2136548279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136548279 is an equidigital number, since it uses as much as digits as its factorization.

2136548279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 2136548279 is about 46222.8112407716. The cubic root of 2136548279 is about 1287.9655207181.

The spelling of 2136548279 in words is "two billion, one hundred thirty-six million, five hundred forty-eight thousand, two hundred seventy-nine".