464645674703261 has 2 divisors, whose sum is σ = 464645674703262. Its totient is φ = 464645674703260.

The previous prime is 464645674703237. The next prime is 464645674703279. The reversal of 464645674703261 is 162307476546464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285862541800900 + 178783132902361 = 16907470^2 + 13370981^2 .

It is a cyclic number.

It is not a de Polignac number, because 464645674703261 - 2¹⁴ = 464645674686877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464645674703461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232322837351630 + 232322837351631.

It is an arithmetic number, because the mean of its divisors is an integer number (232322837351631).

Almost surely, 2^{464645674703261} is an apocalyptic number.

It is an amenable number.

464645674703261 is a deficient number, since it is larger than the sum of its proper divisors (1).

464645674703261 is an equidigital number, since it uses as much as digits as its factorization.

464645674703261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 487710720, while the sum is 65.

The spelling of 464645674703261 in words is "four hundred sixty-four trillion, six hundred forty-five billion, six hundred seventy-four million, seven hundred three thousand, two hundred sixty-one".