34579785139 has 2 divisors, whose sum is σ = 34579785140. Its totient is φ = 34579785138.

The previous prime is 34579785067. The next prime is 34579785157. The reversal of 34579785139 is 93158797543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34579785139 is a prime.

It is not a weakly prime, because it can be changed into another prime (34579785179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17289892569 + 17289892570.

It is an arithmetic number, because the mean of its divisors is an integer number (17289892570).

Almost surely, 2^34579785139 is an apocalyptic number.

34579785139 is a deficient number, since it is larger than the sum of its proper divisors (1).

34579785139 is an equidigital number, since it uses as much as digits as its factorization.

34579785139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28576800, while the sum is 61.

The spelling of 34579785139 in words is "thirty-four billion, five hundred seventy-nine million, seven hundred eighty-five thousand, one hundred thirty-nine".