454426631 has 2 divisors, whose sum is σ = 454426632. Its totient is φ = 454426630.

The previous prime is 454426603. The next prime is 454426699. The reversal of 454426631 is 136624454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454426631 is a prime.

It is a super-2 number, since 2×454426631² = 413007125924020322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 454426591 and 454426600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454426331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227213315 + 227213316.

It is an arithmetic number, because the mean of its divisors is an integer number (227213316).

Almost surely, 2^454426631 is an apocalyptic number.

454426631 is a deficient number, since it is larger than the sum of its proper divisors (1).

454426631 is an equidigital number, since it uses as much as digits as its factorization.

454426631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

The square root of 454426631 is about 21317.2847942696. The cubic root of 454426631 is about 768.8139558045.

The spelling of 454426631 in words is "four hundred fifty-four million, four hundred twenty-six thousand, six hundred thirty-one".