444404003977 has 2 divisors, whose sum is σ = 444404003978. Its totient is φ = 444404003976.

The previous prime is 444404003951. The next prime is 444404004053. The reversal of 444404003977 is 779300404444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433686785401 + 10717218576 = 658549^2 + 103524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444404003977 is a prime.

It is not a weakly prime, because it can be changed into another prime (444404003177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222202001988 + 222202001989.

It is an arithmetic number, because the mean of its divisors is an integer number (222202001989).

Almost surely, 2^444404003977 is an apocalyptic number.

It is an amenable number.

444404003977 is a deficient number, since it is larger than the sum of its proper divisors (1).

444404003977 is an equidigital number, since it uses as much as digits as its factorization.

444404003977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 444404003977 in words is "four hundred forty-four billion, four hundred four million, three thousand, nine hundred seventy-seven".