2368994321 has 4 divisors (see below), whose sum is σ = 2401446372. Its totient is φ = 2336542272.

The previous prime is 2368994317. The next prime is 2368994333. The reversal of 2368994321 is 1234998632.

2368994321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1570140625 + 798853696 = 39625^2 + 28264^2 .

It is a cyclic number.

It is not a de Polignac number, because 2368994321 - 2² = 2368994317 is a prime.

It is a super-2 number, since 2×2368994321² = 11224268185860502082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2368994521) 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, 16225916 + ... + 16226061.

It is an arithmetic number, because the mean of its divisors is an integer number (600361593).

Almost surely, 2^2368994321 is an apocalyptic number.

It is an amenable number.

2368994321 is a deficient number, since it is larger than the sum of its proper divisors (32452051).

2368994321 is an equidigital number, since it uses as much as digits as its factorization.

2368994321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32452050.

The product of its digits is 559872, while the sum is 47.

The square root of 2368994321 is about 48672.3157554682. The cubic root of 2368994321 is about 1333.0752741337.

The spelling of 2368994321 in words is "two billion, three hundred sixty-eight million, nine hundred ninety-four thousand, three hundred twenty-one".