449042983 has 2 divisors, whose sum is σ = 449042984. Its totient is φ = 449042982.

The previous prime is 449042969. The next prime is 449042987. The reversal of 449042983 is 389240944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449042983 - 2²¹ = 446945831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449042987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224521491 + 224521492.

It is an arithmetic number, because the mean of its divisors is an integer number (224521492).

Almost surely, 2^449042983 is an apocalyptic number.

449042983 is a deficient number, since it is larger than the sum of its proper divisors (1).

449042983 is an equidigital number, since it uses as much as digits as its factorization.

449042983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 449042983 is about 21190.6343227380. The cubic root of 449042983 is about 765.7658089439.

The spelling of 449042983 in words is "four hundred forty-nine million, forty-two thousand, nine hundred eighty-three".