461712715374821 has 2 divisors, whose sum is σ = 461712715374822. Its totient is φ = 461712715374820.

The previous prime is 461712715374793. The next prime is 461712715374853. The reversal of 461712715374821 is 128473517217164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283119693997921 + 178593021376900 = 16826161^2 + 13363870^2 .

It is a cyclic number.

It is not a de Polignac number, because 461712715374821 - 2¹⁰ = 461712715373797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461712715374881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230856357687410 + 230856357687411.

It is an arithmetic number, because the mean of its divisors is an integer number (230856357687411).

Almost surely, 2^{461712715374821} is an apocalyptic number.

It is an amenable number.

461712715374821 is a deficient number, since it is larger than the sum of its proper divisors (1).

461712715374821 is an equidigital number, since it uses as much as digits as its factorization.

461712715374821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15805440, while the sum is 59.

The spelling of 461712715374821 in words is "four hundred sixty-one trillion, seven hundred twelve billion, seven hundred fifteen million, three hundred seventy-four thousand, eight hundred twenty-one".