3486139879 has 4 divisors (see below), whose sum is σ = 3525310080. Its totient is φ = 3446969680.

The previous prime is 3486139871. The next prime is 3486139897. The reversal of 3486139879 is 9789316843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9789316843 = 6101 ⋅1604543.

It is a cyclic number.

It is not a de Polignac number, because 3486139879 - 2³ = 3486139871 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 (3486139871) 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, 19584967 + ... + 19585144.

It is an arithmetic number, because the mean of its divisors is an integer number (881327520).

Almost surely, 2^3486139879 is an apocalyptic number.

3486139879 is a deficient number, since it is larger than the sum of its proper divisors (39170201).

3486139879 is an equidigital number, since it uses as much as digits as its factorization.

3486139879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39170200.

The product of its digits is 7838208, while the sum is 58.

The square root of 3486139879 is about 59043.5422294428. The cubic root of 3486139879 is about 1516.2876683617.

The spelling of 3486139879 in words is "three billion, four hundred eighty-six million, one hundred thirty-nine thousand, eight hundred seventy-nine".