2122473865 has 8 divisors (see below), whose sum is σ = 2547223560. Its totient is φ = 1697809152.

The previous prime is 2122473853. The next prime is 2122473889. The reversal of 2122473865 is 5683742212.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 2122352761 = 348^2 + 46069^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2122473865 - 2¹⁷ = 2122342793 is a prime.

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, 67137 + ... + 93553.

It is an arithmetic number, because the mean of its divisors is an integer number (318402945).

Almost surely, 2^2122473865 is an apocalyptic number.

It is an amenable number.

2122473865 is a deficient number, since it is larger than the sum of its proper divisors (424749695).

2122473865 is a wasteful number, since it uses less digits than its factorization.

2122473865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42491.

The product of its digits is 161280, while the sum is 40.

The square root of 2122473865 is about 46070.3143575123. The cubic root of 2122473865 is about 1285.1311498414.

The spelling of 2122473865 in words is "two billion, one hundred twenty-two million, four hundred seventy-three thousand, eight hundred sixty-five".