512223322139 has 2 divisors, whose sum is σ = 512223322140. Its totient is φ = 512223322138.

The previous prime is 512223322111. The next prime is 512223322229. The reversal of 512223322139 is 931223322215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512223322139 is a prime.

It is a super-2 number, since 2×512223322139² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512223322099 and 512223322108.

It is not a weakly prime, because it can be changed into another prime (512223322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256111661069 + 256111661070.

It is an arithmetic number, because the mean of its divisors is an integer number (256111661070).

Almost surely, 2^512223322139 is an apocalyptic number.

512223322139 is a deficient number, since it is larger than the sum of its proper divisors (1).

512223322139 is an equidigital number, since it uses as much as digits as its factorization.

512223322139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The spelling of 512223322139 in words is "five hundred twelve billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty-nine".