2679030139 has 4 divisors (see below), whose sum is σ = 2715729256. Its totient is φ = 2642331024.

The previous prime is 2679030113. The next prime is 2679030157. The reversal of 2679030139 is 9310309762.

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 2679030139 - 2¹⁵ = 2678997371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2679070139) 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, 18349449 + ... + 18349594.

It is an arithmetic number, because the mean of its divisors is an integer number (678932314).

Almost surely, 2^2679030139 is an apocalyptic number.

2679030139 is a deficient number, since it is larger than the sum of its proper divisors (36699117).

2679030139 is an equidigital number, since it uses as much as digits as its factorization.

2679030139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36699116.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 2679030139 is about 51759.3483247229. The cubic root of 2679030139 is about 1388.8623334374.

The spelling of 2679030139 in words is "two billion, six hundred seventy-nine million, thirty thousand, one hundred thirty-nine".