2401805993 has 2 divisors, whose sum is σ = 2401805994. Its totient is φ = 2401805992.

The previous prime is 2401805977. The next prime is 2401806031. The reversal of 2401805993 is 3995081042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2393949184 + 7856809 = 48928^2 + 2803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401805993 - 2⁴ = 2401805977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2401805993.

It is not a weakly prime, because it can be changed into another prime (2401805093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200902996 + 1200902997.

It is an arithmetic number, because the mean of its divisors is an integer number (1200902997).

Almost surely, 2^2401805993 is an apocalyptic number.

It is an amenable number.

2401805993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401805993 is an equidigital number, since it uses as much as digits as its factorization.

2401805993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2401805993 is about 49008.2237282683. The cubic root of 2401805993 is about 1339.2016468572.

The spelling of 2401805993 in words is "two billion, four hundred one million, eight hundred five thousand, nine hundred ninety-three".