454623019 has 2 divisors, whose sum is σ = 454623020. Its totient is φ = 454623018.

The previous prime is 454623017. The next prime is 454623097. The reversal of 454623019 is 910326454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454623019 - 2¹ = 454623017 is a prime.

It is a super-2 number, since 2×454623019² = 413364178809348722, which contains 22 as substring.

Together with 454623017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (454623017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227311509 + 227311510.

It is an arithmetic number, because the mean of its divisors is an integer number (227311510).

Almost surely, 2^454623019 is an apocalyptic number.

454623019 is a deficient number, since it is larger than the sum of its proper divisors (1).

454623019 is an equidigital number, since it uses as much as digits as its factorization.

454623019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 454623019 is about 21321.8906056663. The cubic root of 454623019 is about 768.9246917515.

The spelling of 454623019 in words is "four hundred fifty-four million, six hundred twenty-three thousand, nineteen".