513222232979 has 2 divisors, whose sum is σ = 513222232980. Its totient is φ = 513222232978.

The previous prime is 513222232973. The next prime is 513222233011. The reversal of 513222232979 is 979232222315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513222232979 - 2¹⁶ = 513222167443 is a prime.

It is not a weakly prime, because it can be changed into another prime (513222232973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256611116489 + 256611116490.

It is an arithmetic number, because the mean of its divisors is an integer number (256611116490).

Almost surely, 2^513222232979 is an apocalyptic number.

513222232979 is a deficient number, since it is larger than the sum of its proper divisors (1).

513222232979 is an equidigital number, since it uses as much as digits as its factorization.

513222232979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The spelling of 513222232979 in words is "five hundred thirteen billion, two hundred twenty-two million, two hundred thirty-two thousand, nine hundred seventy-nine".