461212643239 has 2 divisors, whose sum is σ = 461212643240. Its totient is φ = 461212643238.

The previous prime is 461212643161. The next prime is 461212643263. The reversal of 461212643239 is 932346212164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461212643239 - 2¹⁵ = 461212610471 is a prime.

It is a super-2 number, since 2×461212643239² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461212643195 and 461212643204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461212643539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230606321619 + 230606321620.

It is an arithmetic number, because the mean of its divisors is an integer number (230606321620).

Almost surely, 2^461212643239 is an apocalyptic number.

461212643239 is a deficient number, since it is larger than the sum of its proper divisors (1).

461212643239 is an equidigital number, since it uses as much as digits as its factorization.

461212643239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 43.

The spelling of 461212643239 in words is "four hundred sixty-one billion, two hundred twelve million, six hundred forty-three thousand, two hundred thirty-nine".