454450939 has 2 divisors, whose sum is σ = 454450940. Its totient is φ = 454450938.

The previous prime is 454450937. The next prime is 454450963. The reversal of 454450939 is 939054454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454450939 - 2¹ = 454450937 is a prime.

Together with 454450937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 454450895 and 454450904.

It is not a weakly prime, because it can be changed into another prime (454450933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227225469 + 227225470.

It is an arithmetic number, because the mean of its divisors is an integer number (227225470).

Almost surely, 2^454450939 is an apocalyptic number.

454450939 is a deficient number, since it is larger than the sum of its proper divisors (1).

454450939 is an equidigital number, since it uses as much as digits as its factorization.

454450939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 454450939 is about 21317.8549343033. The cubic root of 454450939 is about 768.8276639187.

The spelling of 454450939 in words is "four hundred fifty-four million, four hundred fifty thousand, nine hundred thirty-nine".