2258783993 has 2 divisors, whose sum is σ = 2258783994. Its totient is φ = 2258783992.

The previous prime is 2258783983. The next prime is 2258784053. The reversal of 2258783993 is 3993878522.

2258783993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2236154944 + 22629049 = 47288^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258783993 - 2²⁸ = 1990348537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2258783953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129391996 + 1129391997.

It is an arithmetic number, because the mean of its divisors is an integer number (1129391997).

Almost surely, 2^2258783993 is an apocalyptic number.

It is an amenable number.

2258783993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258783993 is an equidigital number, since it uses as much as digits as its factorization.

2258783993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 2258783993 is about 47526.6661254500. Note that the first 3 decimals coincide. The cubic root of 2258783993 is about 1312.0737105452.

The spelling of 2258783993 in words is "two billion, two hundred fifty-eight million, seven hundred eighty-three thousand, nine hundred ninety-three".