2163402705 has 16 divisors (see below), whose sum is σ = 3462652800. Its totient is φ = 1153411968.

The previous prime is 2163402653. The next prime is 2163402727. The reversal of 2163402705 is 5072043612.

2163402705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2163402705 - 2⁹ = 2163402193 is a prime.

It is a super-2 number, since 2×2163402705² = 9360622528002634050, 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, 22084 + ... + 69386.

It is an arithmetic number, because the mean of its divisors is an integer number (216415800).

Almost surely, 2^2163402705 is an apocalyptic number.

It is an amenable number.

2163402705 is a deficient number, since it is larger than the sum of its proper divisors (1299250095).

2163402705 is a wasteful number, since it uses less digits than its factorization.

2163402705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50360.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2163402705 is about 46512.3930259452. The cubic root of 2163402705 is about 1293.3392454575.

The spelling of 2163402705 in words is "two billion, one hundred sixty-three million, four hundred two thousand, seven hundred five".