449923651 has 2 divisors, whose sum is σ = 449923652. Its totient is φ = 449923650.

The previous prime is 449923633. The next prime is 449923657. The reversal of 449923651 is 156329944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449923651 - 2⁵ = 449923619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449923598 and 449923607.

It is not a weakly prime, because it can be changed into another prime (449923657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224961825 + 224961826.

It is an arithmetic number, because the mean of its divisors is an integer number (224961826).

Almost surely, 2^449923651 is an apocalyptic number.

449923651 is a deficient number, since it is larger than the sum of its proper divisors (1).

449923651 is an equidigital number, since it uses as much as digits as its factorization.

449923651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 449923651 is about 21211.4037960716. The cubic root of 449923651 is about 766.2660914543.

The spelling of 449923651 in words is "four hundred forty-nine million, nine hundred twenty-three thousand, six hundred fifty-one".