454205009 has 2 divisors, whose sum is σ = 454205010. Its totient is φ = 454205008.

The previous prime is 454204987. The next prime is 454205021. The reversal of 454205009 is 900502454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419430400 + 34774609 = 20480^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 454205009 - 2¹² = 454200913 is a prime.

It is not a weakly prime, because it can be changed into another prime (454205029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227102504 + 227102505.

It is an arithmetic number, because the mean of its divisors is an integer number (227102505).

Almost surely, 2^454205009 is an apocalyptic number.

It is an amenable number.

454205009 is a deficient number, since it is larger than the sum of its proper divisors (1).

454205009 is an equidigital number, since it uses as much as digits as its factorization.

454205009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 454205009 is about 21312.0859842485. The cubic root of 454205009 is about 768.6889530125.

The spelling of 454205009 in words is "four hundred fifty-four million, two hundred five thousand, nine".