461777249934071 has 2 divisors, whose sum is σ = 461777249934072. Its totient is φ = 461777249934070.

The previous prime is 461777249934061. The next prime is 461777249934083. The reversal of 461777249934071 is 170439942777164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461777249934071 - 2²² = 461777245739767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461777249933986 and 461777249934004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461777249934061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230888624967035 + 230888624967036.

It is an arithmetic number, because the mean of its divisors is an integer number (230888624967036).

Almost surely, 2^{461777249934071} is an apocalyptic number.

461777249934071 is a deficient number, since it is larger than the sum of its proper divisors (1).

461777249934071 is an equidigital number, since it uses as much as digits as its factorization.

461777249934071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448084224, while the sum is 71.

The spelling of 461777249934071 in words is "four hundred sixty-one trillion, seven hundred seventy-seven billion, two hundred forty-nine million, nine hundred thirty-four thousand, seventy-one".