4405123999457 has 2 divisors, whose sum is σ = 4405123999458. Its totient is φ = 4405123999456.

The previous prime is 4405123999421. The next prime is 4405123999477. The reversal of 4405123999457 is 7549993215044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611986074896 + 1793137924561 = 1616164^2 + 1339081^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405123999457 - 2³⁸ = 4130246092513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4405123999457.

It is not a weakly prime, because it can be changed into another prime (4405123999417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202561999728 + 2202561999729.

It is an arithmetic number, because the mean of its divisors is an integer number (2202561999729).

Almost surely, 2^{4405123999457} is an apocalyptic number.

It is an amenable number.

4405123999457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405123999457 is an equidigital number, since it uses as much as digits as its factorization.

4405123999457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 4405123999457 in words is "four trillion, four hundred five billion, one hundred twenty-three million, nine hundred ninety-nine thousand, four hundred fifty-seven".