444246493 has 2 divisors, whose sum is σ = 444246494. Its totient is φ = 444246492.

The previous prime is 444246487. The next prime is 444246497. The reversal of 444246493 is 394642444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364733604 + 79512889 = 19098^2 + 8917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444246493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444246497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222123246 + 222123247.

It is an arithmetic number, because the mean of its divisors is an integer number (222123247).

Almost surely, 2^444246493 is an apocalyptic number.

It is an amenable number.

444246493 is a deficient number, since it is larger than the sum of its proper divisors (1).

444246493 is an equidigital number, since it uses as much as digits as its factorization.

444246493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 40.

The square root of 444246493 is about 21077.1557141850. The cubic root of 444246493 is about 763.0295126251.

The spelling of 444246493 in words is "four hundred forty-four million, two hundred forty-six thousand, four hundred ninety-three".