39270949139 has 2 divisors, whose sum is σ = 39270949140. Its totient is φ = 39270949138.

The previous prime is 39270949117. The next prime is 39270949177. The reversal of 39270949139 is 93194907293.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39270949139 is a prime.

It is not a weakly prime, because it can be changed into another prime (39270949199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19635474569 + 19635474570.

It is an arithmetic number, because the mean of its divisors is an integer number (19635474570).

Almost surely, 2^39270949139 is an apocalyptic number.

39270949139 is a deficient number, since it is larger than the sum of its proper divisors (1).

39270949139 is an equidigital number, since it uses as much as digits as its factorization.

39270949139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 39270949139 in words is "thirty-nine billion, two hundred seventy million, nine hundred forty-nine thousand, one hundred thirty-nine".