2490280993 has 2 divisors, whose sum is σ = 2490280994. Its totient is φ = 2490280992.

The previous prime is 2490280981. The next prime is 2490280997. The reversal of 2490280993 is 3990820942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282857489 + 1207423504 = 35817^2 + 34748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490280993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2490280997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245140496 + 1245140497.

It is an arithmetic number, because the mean of its divisors is an integer number (1245140497).

Almost surely, 2^2490280993 is an apocalyptic number.

It is an amenable number.

2490280993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490280993 is an equidigital number, since it uses as much as digits as its factorization.

2490280993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2490280993 is about 49902.7152868459. The cubic root of 2490280993 is about 1355.4477613173.

The spelling of 2490280993 in words is "two billion, four hundred ninety million, two hundred eighty thousand, nine hundred ninety-three".