454816939 has 2 divisors, whose sum is σ = 454816940. Its totient is φ = 454816938.

The previous prime is 454816931. The next prime is 454816949. The reversal of 454816939 is 939618454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454816939 - 2³ = 454816931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454816892 and 454816901.

It is not a weakly prime, because it can be changed into another prime (454816931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227408469 + 227408470.

It is an arithmetic number, because the mean of its divisors is an integer number (227408470).

Almost surely, 2^454816939 is an apocalyptic number.

454816939 is a deficient number, since it is larger than the sum of its proper divisors (1).

454816939 is an equidigital number, since it uses as much as digits as its factorization.

454816939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 454816939 is about 21326.4375599864. The cubic root of 454816939 is about 769.0340047970.

The spelling of 454816939 in words is "four hundred fifty-four million, eight hundred sixteen thousand, nine hundred thirty-nine".