2642342393 has 4 divisors (see below), whose sum is σ = 2665726068. Its totient is φ = 2618958720.

The previous prime is 2642342359. The next prime is 2642342413. The reversal of 2642342393 is 3932432462.

It is a happy number.

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 50310649 + 2592031744 = 7093^2 + 50912^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642342393 - 2⁸ = 2642342137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642342693) 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, 11691668 + ... + 11691893.

It is an arithmetic number, because the mean of its divisors is an integer number (666431517).

Almost surely, 2^2642342393 is an apocalyptic number.

It is an amenable number.

2642342393 is a deficient number, since it is larger than the sum of its proper divisors (23383675).

2642342393 is a wasteful number, since it uses less digits than its factorization.

2642342393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383674.

The product of its digits is 186624, while the sum is 38.

The square root of 2642342393 is about 51403.7196416757. The cubic root of 2642342393 is about 1382.4932859509.

The spelling of 2642342393 in words is "two billion, six hundred forty-two million, three hundred forty-two thousand, three hundred ninety-three".