444949451 has 2 divisors, whose sum is σ = 444949452. Its totient is φ = 444949450.

The previous prime is 444949399. The next prime is 444949459. The reversal of 444949451 is 154949444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444949451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (444949459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222474725 + 222474726.

It is an arithmetic number, because the mean of its divisors is an integer number (222474726).

Almost surely, 2^444949451 is an apocalyptic number.

444949451 is a deficient number, since it is larger than the sum of its proper divisors (1).

444949451 is an equidigital number, since it uses as much as digits as its factorization.

444949451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The square root of 444949451 is about 21093.8249494965. The cubic root of 444949451 is about 763.4317630594.

The spelling of 444949451 in words is "four hundred forty-four million, nine hundred forty-nine thousand, four hundred fifty-one".