404444003969 has 2 divisors, whose sum is σ = 404444003970. Its totient is φ = 404444003968.

The previous prime is 404444003959. The next prime is 404444003983. The reversal of 404444003969 is 969300444404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401687228944 + 2756775025 = 633788^2 + 52505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404444003969 is a prime.

It is a super-2 number, since 2×404444003969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404444003959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202222001984 + 202222001985.

It is an arithmetic number, because the mean of its divisors is an integer number (202222001985).

Almost surely, 2^404444003969 is an apocalyptic number.

It is an amenable number.

404444003969 is a deficient number, since it is larger than the sum of its proper divisors (1).

404444003969 is an equidigital number, since it uses as much as digits as its factorization.

404444003969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 404444003969 in words is "four hundred four billion, four hundred forty-four million, three thousand, nine hundred sixty-nine".