449098631 has 2 divisors, whose sum is σ = 449098632. Its totient is φ = 449098630.

The previous prime is 449098609. The next prime is 449098633. The reversal of 449098631 is 136890944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449098631 is a prime.

It is a super-2 number, since 2×449098631² = 403379160732148322, which contains 22 as substring.

Together with 449098633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449098633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224549315 + 224549316.

It is an arithmetic number, because the mean of its divisors is an integer number (224549316).

Almost surely, 2^449098631 is an apocalyptic number.

449098631 is a deficient number, since it is larger than the sum of its proper divisors (1).

449098631 is an equidigital number, since it uses as much as digits as its factorization.

449098631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 449098631 is about 21191.9473149590. The cubic root of 449098631 is about 765.7974403445.

The spelling of 449098631 in words is "four hundred forty-nine million, ninety-eight thousand, six hundred thirty-one".