2404423993 has 2 divisors, whose sum is σ = 2404423994. Its totient is φ = 2404423992.

The previous prime is 2404423969. The next prime is 2404424039. The reversal of 2404423993 is 3993244042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1434288384 + 970135609 = 37872^2 + 31147^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404423993 - 2⁵ = 2404423961 is a prime.

It is a super-2 number, since 2×2404423993² = 11562509476228128098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2404423093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202211996 + 1202211997.

It is an arithmetic number, because the mean of its divisors is an integer number (1202211997).

Almost surely, 2^2404423993 is an apocalyptic number.

It is an amenable number.

2404423993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404423993 is an equidigital number, since it uses as much as digits as its factorization.

2404423993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2404423993 is about 49034.9262566999. The cubic root of 2404423993 is about 1339.6880526174.

The spelling of 2404423993 in words is "two billion, four hundred four million, four hundred twenty-three thousand, nine hundred ninety-three".