461664053251 has 2 divisors, whose sum is σ = 461664053252. Its totient is φ = 461664053250.

The previous prime is 461664053237. The next prime is 461664053261. The reversal of 461664053251 is 152350466164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461664053251 - 2⁹ = 461664052739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461664053198 and 461664053207.

It is not a weakly prime, because it can be changed into another prime (461664053261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230832026625 + 230832026626.

It is an arithmetic number, because the mean of its divisors is an integer number (230832026626).

Almost surely, 2^461664053251 is an apocalyptic number.

461664053251 is a deficient number, since it is larger than the sum of its proper divisors (1).

461664053251 is an equidigital number, since it uses as much as digits as its factorization.

461664053251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 461664053251 in words is "four hundred sixty-one billion, six hundred sixty-four million, fifty-three thousand, two hundred fifty-one".