1404454379 has 2 divisors, whose sum is σ = 1404454380. Its totient is φ = 1404454378.

The previous prime is 1404454321. The next prime is 1404454391. The reversal of 1404454379 is 9734544041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9734544041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1404454379 - 2⁸ = 1404454123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1404454319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702227189 + 702227190.

It is an arithmetic number, because the mean of its divisors is an integer number (702227190).

Almost surely, 2^1404454379 is an apocalyptic number.

1404454379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404454379 is an equidigital number, since it uses as much as digits as its factorization.

1404454379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1404454379 is about 37476.0507391054. The cubic root of 1404454379 is about 1119.8741299343.

The spelling of 1404454379 in words is "one billion, four hundred four million, four hundred fifty-four thousand, three hundred seventy-nine".