454433939 has 2 divisors, whose sum is σ = 454433940. Its totient is φ = 454433938.

The previous prime is 454433927. The next prime is 454434011. The reversal of 454433939 is 939334454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454433939 - 2¹⁶ = 454368403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454433939.

It is not a weakly prime, because it can be changed into another prime (454433909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227216969 + 227216970.

It is an arithmetic number, because the mean of its divisors is an integer number (227216970).

Almost surely, 2^454433939 is an apocalyptic number.

454433939 is a deficient number, since it is larger than the sum of its proper divisors (1).

454433939 is an equidigital number, since it uses as much as digits as its factorization.

454433939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 44.

The square root of 454433939 is about 21317.4562037782. The cubic root of 454433939 is about 768.8180770875.

It can be divided in two parts, 4544 and 33939, that added together give a palindrome (38483).

The spelling of 454433939 in words is "four hundred fifty-four million, four hundred thirty-three thousand, nine hundred thirty-nine".