1404423469 has 2 divisors, whose sum is σ = 1404423470. Its totient is φ = 1404423468.

The previous prime is 1404423463. The next prime is 1404423547. The reversal of 1404423469 is 9643244041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109889225 + 294534244 = 33315^2 + 17162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404423469 - 2⁷ = 1404423341 is a prime.

It is a super-2 number, since 2×1404423469² = 3944810560555987922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404423463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702211734 + 702211735.

It is an arithmetic number, because the mean of its divisors is an integer number (702211735).

Almost surely, 2^1404423469 is an apocalyptic number.

It is an amenable number.

1404423469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404423469 is an equidigital number, since it uses as much as digits as its factorization.

1404423469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 1404423469 is about 37475.6383401270. The cubic root of 1404423469 is about 1119.8659142732.

The spelling of 1404423469 in words is "one billion, four hundred four million, four hundred twenty-three thousand, four hundred sixty-nine".