2124039865 has 8 divisors (see below), whose sum is σ = 2631068928. Its totient is φ = 1644417840.

The previous prime is 2124039847. The next prime is 2124039877. The reversal of 2124039865 is 5689304212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124039865 - 2⁷ = 2124039737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6851587 + ... + 6851896.

It is an arithmetic number, because the mean of its divisors is an integer number (328883616).

Almost surely, 2^2124039865 is an apocalyptic number.

It is an amenable number.

2124039865 is a deficient number, since it is larger than the sum of its proper divisors (507029063).

2124039865 is a wasteful number, since it uses less digits than its factorization.

2124039865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703519.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2124039865 is about 46087.3069835936. The cubic root of 2124039865 is about 1285.4471365554.

The spelling of 2124039865 in words is "two billion, one hundred twenty-four million, thirty-nine thousand, eight hundred sixty-five".