2393387393 has 4 divisors (see below), whose sum is σ = 2398940928. Its totient is φ = 2387833860.

The previous prime is 2393387389. The next prime is 2393387401. The reversal of 2393387393 is 3937833932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2393387393 - 2² = 2393387389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2393387363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776121 + ... + 2776982.

It is an arithmetic number, because the mean of its divisors is an integer number (599735232).

Almost surely, 2^2393387393 is an apocalyptic number.

It is an amenable number.

2393387393 is a deficient number, since it is larger than the sum of its proper divisors (5553535).

2393387393 is an equidigital number, since it uses as much as digits as its factorization.

2393387393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553534.

The product of its digits is 2204496, while the sum is 50.

The square root of 2393387393 is about 48922.2586661736. The cubic root of 2393387393 is about 1337.6351310524.

The spelling of 2393387393 in words is "two billion, three hundred ninety-three million, three hundred eighty-seven thousand, three hundred ninety-three".