2159723662 has 8 divisors (see below), whose sum is σ = 3275985600. Its totient is φ = 1067728464.

The previous prime is 2159723617. The next prime is 2159723677. The reversal of 2159723662 is 2663279512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6066462 + ... + 6066817.

It is an arithmetic number, because the mean of its divisors is an integer number (409498200).

Almost surely, 2^2159723662 is an apocalyptic number.

2159723662 is a deficient number, since it is larger than the sum of its proper divisors (1116261938).

2159723662 is a wasteful number, since it uses less digits than its factorization.

2159723662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133370.

The product of its digits is 272160, while the sum is 43.

The square root of 2159723662 is about 46472.8271358651. The cubic root of 2159723662 is about 1292.6056864669.

The spelling of 2159723662 in words is "two billion, one hundred fifty-nine million, seven hundred twenty-three thousand, six hundred sixty-two".