2159723258 has 16 divisors (see below), whose sum is σ = 4038963264. Its totient is φ = 841450560.

The previous prime is 2159723249. The next prime is 2159723281. The reversal of 2159723258 is 8523279512.

It is a super-2 number, since 2×2159723258² = 9328809102292269128, which contains 22 as substring.

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, 7011935 + ... + 7012242.

It is an arithmetic number, because the mean of its divisors is an integer number (252435204).

Almost surely, 2^2159723258 is an apocalyptic number.

2159723258 is a deficient number, since it is larger than the sum of its proper divisors (1879240006).

2159723258 is a wasteful number, since it uses less digits than its factorization.

2159723258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024197.

The product of its digits is 302400, while the sum is 44.

The square root of 2159723258 is about 46472.8227892389. The cubic root of 2159723258 is about 1292.6056058682.

The spelling of 2159723258 in words is "two billion, one hundred fifty-nine million, seven hundred twenty-three thousand, two hundred fifty-eight".