456666662435461 has 2 divisors, whose sum is σ = 456666662435462. Its totient is φ = 456666662435460.

The previous prime is 456666662435449. The next prime is 456666662435527. The reversal of 456666662435461 is 164534266666654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275072010237025 + 181594652198436 = 16585295^2 + 13475706^2 .

It is a cyclic number.

It is not a de Polignac number, because 456666662435461 - 2²¹ = 456666660338309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456666662435411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228333331217730 + 228333331217731.

It is an arithmetic number, because the mean of its divisors is an integer number (228333331217731).

Almost surely, 2^{456666662435461} is an apocalyptic number.

It is an amenable number.

456666662435461 is a deficient number, since it is larger than the sum of its proper divisors (1).

456666662435461 is an equidigital number, since it uses as much as digits as its factorization.

456666662435461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2687385600, while the sum is 70.

The spelling of 456666662435461 in words is "four hundred fifty-six trillion, six hundred sixty-six billion, six hundred sixty-two million, four hundred thirty-five thousand, four hundred sixty-one".