454162772369 has 2 divisors, whose sum is σ = 454162772370. Its totient is φ = 454162772368.

The previous prime is 454162772363. The next prime is 454162772467. The reversal of 454162772369 is 963277261454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306264841744 + 147897930625 = 553412^2 + 384575^2 .

It is a cyclic number.

It is not a de Polignac number, because 454162772369 - 2⁸ = 454162772113 is a prime.

It is a super-2 number, since 2×454162772369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454162772363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227081386184 + 227081386185.

It is an arithmetic number, because the mean of its divisors is an integer number (227081386185).

Almost surely, 2^454162772369 is an apocalyptic number.

It is an amenable number.

454162772369 is a deficient number, since it is larger than the sum of its proper divisors (1).

454162772369 is an equidigital number, since it uses as much as digits as its factorization.

454162772369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 454162772369 in words is "four hundred fifty-four billion, one hundred sixty-two million, seven hundred seventy-two thousand, three hundred sixty-nine".