454316365661 has 2 divisors, whose sum is σ = 454316365662. Its totient is φ = 454316365660.

The previous prime is 454316365631. The next prime is 454316365703. The reversal of 454316365661 is 166563613454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447301465636 + 7014900025 = 668806^2 + 83755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454316365661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454316365631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227158182830 + 227158182831.

It is an arithmetic number, because the mean of its divisors is an integer number (227158182831).

Almost surely, 2^454316365661 is an apocalyptic number.

It is an amenable number.

454316365661 is a deficient number, since it is larger than the sum of its proper divisors (1).

454316365661 is an equidigital number, since it uses as much as digits as its factorization.

454316365661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 50.

The spelling of 454316365661 in words is "four hundred fifty-four billion, three hundred sixteen million, three hundred sixty-five thousand, six hundred sixty-one".