454072939 has 2 divisors, whose sum is σ = 454072940. Its totient is φ = 454072938.

The previous prime is 454072891. The next prime is 454072943. The reversal of 454072939 is 939270454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454072939 - 2¹¹ = 454070891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454072895 and 454072904.

It is not a weakly prime, because it can be changed into another prime (454072999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227036469 + 227036470.

It is an arithmetic number, because the mean of its divisors is an integer number (227036470).

Almost surely, 2^454072939 is an apocalyptic number.

454072939 is a deficient number, since it is larger than the sum of its proper divisors (1).

454072939 is an equidigital number, since it uses as much as digits as its factorization.

454072939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 454072939 is about 21308.9872823652. The cubic root of 454072939 is about 768.6144414378.

The spelling of 454072939 in words is "four hundred fifty-four million, seventy-two thousand, nine hundred thirty-nine".