2634728423 has 4 divisors (see below), whose sum is σ = 2773398360. Its totient is φ = 2496058488.

The previous prime is 2634728419. The next prime is 2634728441. The reversal of 2634728423 is 3248274362.

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

It is a cyclic number.

It is not a de Polignac number, because 2634728423 - 2² = 2634728419 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 (2634728413) 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 3 ways as a sum of consecutive naturals, for example, 69334940 + ... + 69334977.

It is an arithmetic number, because the mean of its divisors is an integer number (693349590).

Almost surely, 2^2634728423 is an apocalyptic number.

2634728423 is a deficient number, since it is larger than the sum of its proper divisors (138669937).

2634728423 is a wasteful number, since it uses less digits than its factorization.

2634728423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138669936.

The product of its digits is 387072, while the sum is 41.

The square root of 2634728423 is about 51329.6057163894. The cubic root of 2634728423 is about 1381.1641131175.

The spelling of 2634728423 in words is "two billion, six hundred thirty-four million, seven hundred twenty-eight thousand, four hundred twenty-three".