454353123019 has 2 divisors, whose sum is σ = 454353123020. Its totient is φ = 454353123018.

The previous prime is 454353122963. The next prime is 454353123089. The reversal of 454353123019 is 910321353454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454353123019 - 2⁹ = 454353122507 is a prime.

It is a super-2 number, since 2×454353123019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454353123089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227176561509 + 227176561510.

It is an arithmetic number, because the mean of its divisors is an integer number (227176561510).

Almost surely, 2^454353123019 is an apocalyptic number.

454353123019 is a deficient number, since it is larger than the sum of its proper divisors (1).

454353123019 is an equidigital number, since it uses as much as digits as its factorization.

454353123019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 454353123019 in words is "four hundred fifty-four billion, three hundred fifty-three million, one hundred twenty-three thousand, nineteen".