454381339 has 2 divisors, whose sum is σ = 454381340. Its totient is φ = 454381338.

The previous prime is 454381331. The next prime is 454381351. The reversal of 454381339 is 933183454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454381339 - 2³ = 454381331 is a prime.

It is not a weakly prime, because it can be changed into another prime (454381331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227190669 + 227190670.

It is an arithmetic number, because the mean of its divisors is an integer number (227190670).

Almost surely, 2^454381339 is an apocalyptic number.

454381339 is a deficient number, since it is larger than the sum of its proper divisors (1).

454381339 is an equidigital number, since it uses as much as digits as its factorization.

454381339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 454381339 is about 21316.2224373832. Note that the first 3 decimals coincide. The cubic root of 454381339 is about 768.7884127896.

The spelling of 454381339 in words is "four hundred fifty-four million, three hundred eighty-one thousand, three hundred thirty-nine".