2634807823 has 4 divisors (see below), whose sum is σ = 2648182680. Its totient is φ = 2621432968.

The previous prime is 2634807811. The next prime is 2634807829. The reversal of 2634807823 is 3287084362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2634807823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2634807823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634807829) 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, 6687133 + ... + 6687526.

It is an arithmetic number, because the mean of its divisors is an integer number (662045670).

Almost surely, 2^2634807823 is an apocalyptic number.

2634807823 is a deficient number, since it is larger than the sum of its proper divisors (13374857).

2634807823 is a wasteful number, since it uses less digits than its factorization.

2634807823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374856.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 2634807823 is about 51330.3791433494. The cubic root of 2634807823 is about 1381.1779872013.

The spelling of 2634807823 in words is "two billion, six hundred thirty-four million, eight hundred seven thousand, eight hundred twenty-three".