2136879473 has 4 divisors (see below), whose sum is σ = 2141747520. Its totient is φ = 2132011428.

The previous prime is 2136879397. The next prime is 2136879497. The reversal of 2136879473 is 3749786312.

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.

It is a cyclic number.

It is not a de Polignac number, because 2136879473 - 2¹⁶ = 2136813937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136879673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433365 + ... + 2434242.

It is an arithmetic number, because the mean of its divisors is an integer number (535436880).

Almost surely, 2^2136879473 is an apocalyptic number.

It is an amenable number.

2136879473 is a deficient number, since it is larger than the sum of its proper divisors (4868047).

2136879473 is an equidigital number, since it uses as much as digits as its factorization.

2136879473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868046.

The product of its digits is 1524096, while the sum is 50.

The square root of 2136879473 is about 46226.3936836955. The cubic root of 2136879473 is about 1288.0320679955.

The spelling of 2136879473 in words is "two billion, one hundred thirty-six million, eight hundred seventy-nine thousand, four hundred seventy-three".