383239314779 has 2 divisors, whose sum is σ = 383239314780. Its totient is φ = 383239314778.

The previous prime is 383239314767. The next prime is 383239314797. The reversal of 383239314779 is 977413932383.

Together with next prime (383239314797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383239314779 is a prime.

It is not a weakly prime, because it can be changed into another prime (383239314379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191619657389 + 191619657390.

It is an arithmetic number, because the mean of its divisors is an integer number (191619657390).

Almost surely, 2^383239314779 is an apocalyptic number.

383239314779 is a deficient number, since it is larger than the sum of its proper divisors (1).

383239314779 is an equidigital number, since it uses as much as digits as its factorization.

383239314779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 59.

The spelling of 383239314779 in words is "three hundred eighty-three billion, two hundred thirty-nine million, three hundred fourteen thousand, seven hundred seventy-nine".