2140473905 has 16 divisors (see below), whose sum is σ = 2662096320. Its totient is φ = 1650247872.

The previous prime is 2140473901. The next prime is 2140473913. The reversal of 2140473905 is 5093740412.

It is a cyclic number.

It is not a de Polignac number, because 2140473905 - 2² = 2140473901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140473901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65822 + ... + 92808.

It is an arithmetic number, because the mean of its divisors is an integer number (166381020).

Almost surely, 2^2140473905 is an apocalyptic number.

It is an amenable number.

2140473905 is a deficient number, since it is larger than the sum of its proper divisors (521622415).

2140473905 is a wasteful number, since it uses less digits than its factorization.

2140473905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27568.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2140473905 is about 46265.2559162921. The cubic root of 2140473905 is about 1288.7538604154.

The spelling of 2140473905 in words is "two billion, one hundred forty million, four hundred seventy-three thousand, nine hundred five".