2642857623 has 24 divisors (see below), whose sum is σ = 4436764800. Its totient is φ = 1484605584.

The previous prime is 2642857603. The next prime is 2642857691. The reversal of 2642857623 is 3267582462.

It is not a de Polignac number, because 2642857623 - 2⁶ = 2642857559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642857603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351793 + ... + 359226.

It is an arithmetic number, because the mean of its divisors is an integer number (184865200).

Almost surely, 2^2642857623 is an apocalyptic number.

2642857623 is a deficient number, since it is larger than the sum of its proper divisors (1793907177).

2642857623 is a wasteful number, since it uses less digits than its factorization.

2642857623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711091 (or 711088 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 2642857623 is about 51408.7309997047. The cubic root of 2642857623 is about 1382.5831375065.

The spelling of 2642857623 in words is "two billion, six hundred forty-two million, eight hundred fifty-seven thousand, six hundred twenty-three".