2481743865 has 16 divisors (see below), whose sum is σ = 3983323968. Its totient is φ = 1319418816.

The previous prime is 2481743833. The next prime is 2481743893. The reversal of 2481743865 is 5683471842.

It is not a de Polignac number, because 2481743865 - 2⁵ = 2481743833 is a prime.

It is a super-2 number, since 2×2481743865² = 12318105222930276450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256207 + ... + 265716.

It is an arithmetic number, because the mean of its divisors is an integer number (248957748).

Almost surely, 2^2481743865 is an apocalyptic number.

It is an amenable number.

2481743865 is a deficient number, since it is larger than the sum of its proper divisors (1501580103).

2481743865 is a wasteful number, since it uses less digits than its factorization.

2481743865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522248.

The product of its digits is 1290240, while the sum is 48.

The square root of 2481743865 is about 49817.1041410478. The cubic root of 2481743865 is about 1353.8970822954.

The spelling of 2481743865 in words is "two billion, four hundred eighty-one million, seven hundred forty-three thousand, eight hundred sixty-five".