293368993 has 2 divisors, whose sum is σ = 293368994. Its totient is φ = 293368992.

The previous prime is 293368973. The next prime is 293368997. The reversal of 293368993 is 399863392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165045409 + 128323584 = 12847^2 + 11328^2 .

It is a cyclic number.

It is not a de Polignac number, because 293368993 - 2¹³ = 293360801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 293368993.

It is not a weakly prime, because it can be changed into another prime (293368997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146684496 + 146684497.

It is an arithmetic number, because the mean of its divisors is an integer number (146684497).

Almost surely, 2^293368993 is an apocalyptic number.

It is an amenable number.

293368993 is a deficient number, since it is larger than the sum of its proper divisors (1).

293368993 is an equidigital number, since it uses as much as digits as its factorization.

293368993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 52.

The square root of 293368993 is about 17128.0177778983. The cubic root of 293368993 is about 664.4639190649.

The spelling of 293368993 in words is "two hundred ninety-three million, three hundred sixty-eight thousand, nine hundred ninety-three".