2164687430 has 16 divisors (see below), whose sum is σ = 3907297440. Its totient is φ = 863461632.

The previous prime is 2164687429. The next prime is 2164687451. The reversal of 2164687430 is 347864612.

It is a congruent number.

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, 297899 + ... + 305078.

It is an arithmetic number, because the mean of its divisors is an integer number (244206090).

Almost surely, 2^2164687430 is an apocalyptic number.

2164687430 is a deficient number, since it is larger than the sum of its proper divisors (1742610010).

2164687430 is a wasteful number, since it uses less digits than its factorization.

2164687430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603343.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2164687430 is about 46526.2015427866. The cubic root of 2164687430 is about 1293.5952089695.

The spelling of 2164687430 in words is "two billion, one hundred sixty-four million, six hundred eighty-seven thousand, four hundred thirty".