2452389643 has 12 divisors (see below), whose sum is σ = 2698507224. Its totient is φ = 2227042400.

The previous prime is 2452389623. The next prime is 2452389661. The reversal of 2452389643 is 3469832542.

2452389643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2452389643 is a prime.

It is a super-2 number, since 2×2452389643² = 12028429922187334898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2452389593 and 2452389602.

It is not an unprimeable number, because it can be changed into a prime (2452389623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107055 + ... + 127927.

It is an arithmetic number, because the mean of its divisors is an integer number (224875602).

Almost surely, 2^2452389643 is an apocalyptic number.

2452389643 is a deficient number, since it is larger than the sum of its proper divisors (246117581).

2452389643 is a wasteful number, since it uses less digits than its factorization.

2452389643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866 (or 21855 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 2452389643 is about 49521.6078394068. The cubic root of 2452389643 is about 1348.5379036738.

The spelling of 2452389643 in words is "two billion, four hundred fifty-two million, three hundred eighty-nine thousand, six hundred forty-three".