461352464253181 has 2 divisors, whose sum is σ = 461352464253182. Its totient is φ = 461352464253180.

The previous prime is 461352464253167. The next prime is 461352464253199. The reversal of 461352464253181 is 181352464253164.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359839464219225 + 101513000033956 = 18969435^2 + 10075366^2 .

It is a cyclic number.

It is not a de Polignac number, because 461352464253181 - 2¹³ = 461352464244989 is a prime.

It is a super-2 number, since 2×461352464253181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461352464253481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230676232126590 + 230676232126591.

It is an arithmetic number, because the mean of its divisors is an integer number (230676232126591).

Almost surely, 2^{461352464253181} is an apocalyptic number.

It is an amenable number.

461352464253181 is a deficient number, since it is larger than the sum of its proper divisors (1).

461352464253181 is an equidigital number, since it uses as much as digits as its factorization.

461352464253181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16588800, while the sum is 55.

The spelling of 461352464253181 in words is "four hundred sixty-one trillion, three hundred fifty-two billion, four hundred sixty-four million, two hundred fifty-three thousand, one hundred eighty-one".