2146973805 has 24 divisors (see below), whose sum is σ = 3736881720. Its totient is φ = 1140295680.

The previous prime is 2146973783. The next prime is 2146973813. The reversal of 2146973805 is 5083796412.

2146973805 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45118089 + 2101855716 = 6717^2 + 45846^2 .

It is not a de Polignac number, because 2146973805 - 2¹⁰ = 2146972781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

2146973805 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88140 + ... + 109829.

It is an arithmetic number, because the mean of its divisors is an integer number (155703405).

It is a 1-persistent number, because it is pandigital, but 2⋅2146973805 = 4293947610 is not.

Almost surely, 2^2146973805 is an apocalyptic number.

It is an amenable number.

2146973805 is a deficient number, since it is larger than the sum of its proper divisors (1589907915).

2146973805 is a wasteful number, since it uses less digits than its factorization.

2146973805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198221 (or 198218 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2146973805 is about 46335.4486867236. The cubic root of 2146973805 is about 1290.0570463325.

The spelling of 2146973805 in words is "two billion, one hundred forty-six million, nine hundred seventy-three thousand, eight hundred five".