444733013 has 2 divisors, whose sum is σ = 444733014. Its totient is φ = 444733012.

The previous prime is 444732989. The next prime is 444733061. The reversal of 444733013 is 310337444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416078404 + 28654609 = 20398^2 + 5353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444733013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444733063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222366506 + 222366507.

It is an arithmetic number, because the mean of its divisors is an integer number (222366507).

Almost surely, 2^444733013 is an apocalyptic number.

It is an amenable number.

444733013 is a deficient number, since it is larger than the sum of its proper divisors (1).

444733013 is an equidigital number, since it uses as much as digits as its factorization.

444733013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 444733013 is about 21088.6939614572. The cubic root of 444733013 is about 763.3079569036.

The spelling of 444733013 in words is "four hundred forty-four million, seven hundred thirty-three thousand, thirteen".