39934814351 has 2 divisors, whose sum is σ = 39934814352. Its totient is φ = 39934814350.

The previous prime is 39934814263. The next prime is 39934814363. The reversal of 39934814351 is 15341843993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39934814351 - 2¹⁴ = 39934797967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39934814351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39934810351) 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, 19967407175 + 19967407176.

It is an arithmetic number, because the mean of its divisors is an integer number (19967407176).

Almost surely, 2^39934814351 is an apocalyptic number.

39934814351 is a deficient number, since it is larger than the sum of its proper divisors (1).

39934814351 is an equidigital number, since it uses as much as digits as its factorization.

39934814351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The spelling of 39934814351 in words is "thirty-nine billion, nine hundred thirty-four million, eight hundred fourteen thousand, three hundred fifty-one".