39514042879 has 2 divisors, whose sum is σ = 39514042880. Its totient is φ = 39514042878.

The previous prime is 39514042859. The next prime is 39514042891. The reversal of 39514042879 is 97824041593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39514042879 - 2¹⁵ = 39514010111 is a prime.

It is a super-2 number, since 2×39514042879² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39514042859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19757021439 + 19757021440.

It is an arithmetic number, because the mean of its divisors is an integer number (19757021440).

Almost surely, 2^39514042879 is an apocalyptic number.

39514042879 is a deficient number, since it is larger than the sum of its proper divisors (1).

39514042879 is an equidigital number, since it uses as much as digits as its factorization.

39514042879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 39514042879 in words is "thirty-nine billion, five hundred fourteen million, forty-two thousand, eight hundred seventy-nine".