4444311220457 has 2 divisors, whose sum is σ = 4444311220458. Its totient is φ = 4444311220456.

The previous prime is 4444311220381. The next prime is 4444311220463. The reversal of 4444311220457 is 7540221134444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2260725752041 + 2183585468416 = 1503571^2 + 1477696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444311220457 - 2²² = 4444307026153 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444311270457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222155610228 + 2222155610229.

It is an arithmetic number, because the mean of its divisors is an integer number (2222155610229).

Almost surely, 2^{4444311220457} is an apocalyptic number.

It is an amenable number.

4444311220457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444311220457 is an equidigital number, since it uses as much as digits as its factorization.

4444311220457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 41.

The spelling of 4444311220457 in words is "four trillion, four hundred forty-four billion, three hundred eleven million, two hundred twenty thousand, four hundred fifty-seven".