449085431 has 2 divisors, whose sum is σ = 449085432. Its totient is φ = 449085430.

The previous prime is 449085409. The next prime is 449085443. The reversal of 449085431 is 134580944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449085431 is a prime.

It is a super-2 number, since 2×449085431² = 403355448672911522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449085401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224542715 + 224542716.

It is an arithmetic number, because the mean of its divisors is an integer number (224542716).

Almost surely, 2^449085431 is an apocalyptic number.

449085431 is a deficient number, since it is larger than the sum of its proper divisors (1).

449085431 is an equidigital number, since it uses as much as digits as its factorization.

449085431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 449085431 is about 21191.6358736177. The cubic root of 449085431 is about 765.7899374454.

The spelling of 449085431 in words is "four hundred forty-nine million, eighty-five thousand, four hundred thirty-one".