506461064643679 has 2 divisors, whose sum is σ = 506461064643680. Its totient is φ = 506461064643678.

The previous prime is 506461064643557. The next prime is 506461064643683. The reversal of 506461064643679 is 976346460164605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506461064643679 - 2³⁵ = 506426704905311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506461064640679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253230532321839 + 253230532321840.

It is an arithmetic number, because the mean of its divisors is an integer number (253230532321840).

Almost surely, 2^{506461064643679} is an apocalyptic number.

506461064643679 is a deficient number, since it is larger than the sum of its proper divisors (1).

506461064643679 is an equidigital number, since it uses as much as digits as its factorization.

506461064643679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470292480, while the sum is 67.

The spelling of 506461064643679 in words is "five hundred six trillion, four hundred sixty-one billion, sixty-four million, six hundred forty-three thousand, six hundred seventy-nine".