2453872643 has 4 divisors (see below), whose sum is σ = 2454104568. Its totient is φ = 2453640720.

The previous prime is 2453872639. The next prime is 2453872649. The reversal of 2453872643 is 3462783542.

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 2453872643 - 2² = 2453872639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2453872594 and 2453872603.

It is not an unprimeable number, because it can be changed into a prime (2453872649) 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, 99293 + ... + 121518.

It is an arithmetic number, because the mean of its divisors is an integer number (613526142).

Almost surely, 2^2453872643 is an apocalyptic number.

2453872643 is a deficient number, since it is larger than the sum of its proper divisors (231925).

2453872643 is a wasteful number, since it uses less digits than its factorization.

2453872643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231924.

The product of its digits is 967680, while the sum is 44.

The square root of 2453872643 is about 49536.5788382686. The cubic root of 2453872643 is about 1348.8096765182.

The spelling of 2453872643 in words is "two billion, four hundred fifty-three million, eight hundred seventy-two thousand, six hundred forty-three".