454361819 has 2 divisors, whose sum is σ = 454361820. Its totient is φ = 454361818.

The previous prime is 454361797. The next prime is 454361827. The reversal of 454361819 is 918163454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454361819 - 2¹² = 454357723 is a prime.

It is a super-2 number, since 2×454361819² = 412889325129977522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (454364819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227180909 + 227180910.

It is an arithmetic number, because the mean of its divisors is an integer number (227180910).

Almost surely, 2^454361819 is an apocalyptic number.

454361819 is a deficient number, since it is larger than the sum of its proper divisors (1).

454361819 is an equidigital number, since it uses as much as digits as its factorization.

454361819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 454361819 is about 21315.7645652226. The cubic root of 454361819 is about 768.7774037073. Note that the first 3 decimals are identical.

The spelling of 454361819 in words is "four hundred fifty-four million, three hundred sixty-one thousand, eight hundred nineteen".