454555499 has 2 divisors, whose sum is σ = 454555500. Its totient is φ = 454555498.

The previous prime is 454555489. The next prime is 454555501. The reversal of 454555499 is 994555454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454555499 - 2⁸ = 454555243 is a prime.

It is a super-2 number, since 2×454555499² = 413241403342278002, which contains 22 as substring.

Together with 454555501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (454555429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227277749 + 227277750.

It is an arithmetic number, because the mean of its divisors is an integer number (227277750).

Almost surely, 2^454555499 is an apocalyptic number.

454555499 is a deficient number, since it is larger than the sum of its proper divisors (1).

454555499 is an equidigital number, since it uses as much as digits as its factorization.

454555499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240000, while the sum is 50.

The square root of 454555499 is about 21320.3071975992. The cubic root of 454555499 is about 768.8866233128.

The spelling of 454555499 in words is "four hundred fifty-four million, five hundred fifty-five thousand, four hundred ninety-nine".