1404444493 has 2 divisors, whose sum is σ = 1404444494. Its totient is φ = 1404444492.

The previous prime is 1404444479. The next prime is 1404444497. The reversal of 1404444493 is 3944444041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891739044 + 512705449 = 29862^2 + 22643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404444493 - 2⁹ = 1404443981 is a prime.

It is a super-4 number, since 4×1404444493⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404444497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702222246 + 702222247.

It is an arithmetic number, because the mean of its divisors is an integer number (702222247).

Almost surely, 2^1404444493 is an apocalyptic number.

It is an amenable number.

1404444493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404444493 is an equidigital number, since it uses as much as digits as its factorization.

1404444493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 1404444493 is about 37475.9188413039. The cubic root of 1404444493 is about 1119.8715023180.

The spelling of 1404444493 in words is "one billion, four hundred four million, four hundred forty-four thousand, four hundred ninety-three".