461723010049991 has 2 divisors, whose sum is σ = 461723010049992. Its totient is φ = 461723010049990.

The previous prime is 461723010049969. The next prime is 461723010050021. The reversal of 461723010049991 is 199940010327164.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461723010049991 - 2⁶ = 461723010049927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461723010049891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230861505024995 + 230861505024996.

It is an arithmetic number, because the mean of its divisors is an integer number (230861505024996).

Almost surely, 2^{461723010049991} is an apocalyptic number.

461723010049991 is a deficient number, since it is larger than the sum of its proper divisors (1).

461723010049991 is an equidigital number, since it uses as much as digits as its factorization.

461723010049991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 461723010049991 in words is "four hundred sixty-one trillion, seven hundred twenty-three billion, ten million, forty-nine thousand, nine hundred ninety-one".