2642663293 has 8 divisors (see below), whose sum is σ = 2728567296. Its totient is φ = 2556800400.

The previous prime is 2642663273. The next prime is 2642663297. The reversal of 2642663293 is 3923662462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642663293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642663297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171903 + ... + 186643.

It is an arithmetic number, because the mean of its divisors is an integer number (341070912).

Almost surely, 2^2642663293 is an apocalyptic number.

It is an amenable number.

2642663293 is a deficient number, since it is larger than the sum of its proper divisors (85904003).

2642663293 is a wasteful number, since it uses less digits than its factorization.

2642663293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its digits is 559872, while the sum is 43.

The square root of 2642663293 is about 51406.8409163605. The cubic root of 2642663293 is about 1382.5492494448.

The spelling of 2642663293 in words is "two billion, six hundred forty-two million, six hundred sixty-three thousand, two hundred ninety-three".