2642236993 has 8 divisors (see below), whose sum is σ = 2882946816. Its totient is φ = 2401611600.

The previous prime is 2642236979. The next prime is 2642237041. The reversal of 2642236993 is 3996322462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2642236993 - 2²⁵ = 2608682561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642236913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56880 + ... + 92302.

It is an arithmetic number, because the mean of its divisors is an integer number (360368352).

Almost surely, 2^2642236993 is an apocalyptic number.

It is an amenable number.

2642236993 is a deficient number, since it is larger than the sum of its proper divisors (240709823).

2642236993 is a wasteful number, since it uses less digits than its factorization.

2642236993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42215.

The product of its digits is 839808, while the sum is 46.

The square root of 2642236993 is about 51402.6944138145. The cubic root of 2642236993 is about 1382.4749036839.

It can be divided in two parts, 26422369 and 93, that added together give a palindrome (26422462).

The spelling of 2642236993 in words is "two billion, six hundred forty-two million, two hundred thirty-six thousand, nine hundred ninety-three".