454404334661 has 2 divisors, whose sum is σ = 454404334662. Its totient is φ = 454404334660.

The previous prime is 454404334627. The next prime is 454404334679. The reversal of 454404334661 is 166433404454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322617184036 + 131787150625 = 567994^2 + 363025^2 .

It is a cyclic number.

It is not a de Polignac number, because 454404334661 - 2¹⁸ = 454404072517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454404334691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227202167330 + 227202167331.

It is an arithmetic number, because the mean of its divisors is an integer number (227202167331).

Almost surely, 2^454404334661 is an apocalyptic number.

It is an amenable number.

454404334661 is a deficient number, since it is larger than the sum of its proper divisors (1).

454404334661 is an equidigital number, since it uses as much as digits as its factorization.

454404334661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 454404334661 in words is "four hundred fifty-four billion, four hundred four million, three hundred thirty-four thousand, six hundred sixty-one".