2170128514 has 16 divisors (see below), whose sum is σ = 3358188288. Its totient is φ = 1050995952.

The previous prime is 2170128511. The next prime is 2170128539. The reversal of 2170128514 is 4158210712.

It is not an unprimeable number, because it can be changed into a prime (2170128511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49252 + ... + 82255.

It is an arithmetic number, because the mean of its divisors is an integer number (209886768).

Almost surely, 2^2170128514 is an apocalyptic number.

2170128514 is a deficient number, since it is larger than the sum of its proper divisors (1188059774).

2170128514 is a wasteful number, since it uses less digits than its factorization.

2170128514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131769.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2170128514 is about 46584.6381761198. The cubic root of 2170128514 is about 1294.6781476305.

The spelling of 2170128514 in words is "two billion, one hundred seventy million, one hundred twenty-eight thousand, five hundred fourteen".