2445044993 has 2 divisors, whose sum is σ = 2445044994. Its totient is φ = 2445044992.

The previous prime is 2445044981. The next prime is 2445045037. The reversal of 2445044993 is 3994405442.

It is an a-pointer prime, because the next prime (2445045037) can be obtained adding 2445044993 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1924840129 + 520204864 = 43873^2 + 22808^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445044993 - 2⁴ = 2445044977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2445044893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222522496 + 1222522497.

It is an arithmetic number, because the mean of its divisors is an integer number (1222522497).

Almost surely, 2^2445044993 is an apocalyptic number.

It is an amenable number.

2445044993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445044993 is an equidigital number, since it uses as much as digits as its factorization.

2445044993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 2445044993 is about 49447.3962206303. The cubic root of 2445044993 is about 1347.1903142437.

The spelling of 2445044993 in words is "two billion, four hundred forty-five million, forty-four thousand, nine hundred ninety-three".