2978258593 has 2 divisors, whose sum is σ = 2978258594. Its totient is φ = 2978258592.

The previous prime is 2978258579. The next prime is 2978258597. The reversal of 2978258593 is 3958528792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1714953744 + 1263304849 = 41412^2 + 35543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978258593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2978258597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489129296 + 1489129297.

It is an arithmetic number, because the mean of its divisors is an integer number (1489129297).

Almost surely, 2^2978258593 is an apocalyptic number.

It is an amenable number.

2978258593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978258593 is an equidigital number, since it uses as much as digits as its factorization.

2978258593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 58.

The square root of 2978258593 is about 54573.4238709649. The cubic root of 2978258593 is about 1438.7570603389.

The spelling of 2978258593 in words is "two billion, nine hundred seventy-eight million, two hundred fifty-eight thousand, five hundred ninety-three".