2151594873 has 8 divisors (see below), whose sum is σ = 3187548000. Its totient is φ = 1434396564.

The previous prime is 2151594839. The next prime is 2151594877. The reversal of 2151594873 is 3784951512.

2151594873 is a `hidden beast` number, since 2 + 1 + 51 + 594 + 8 + 7 + 3 = 666.

It is not a de Polignac number, because 2151594873 - 2¹⁴ = 2151578489 is a prime.

It is a super-2 number, since 2×2151594873² = 9258720995039772258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2151594877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39844323 + ... + 39844376.

It is an arithmetic number, because the mean of its divisors is an integer number (398443500).

Almost surely, 2^2151594873 is an apocalyptic number.

It is an amenable number.

2151594873 is a deficient number, since it is larger than the sum of its proper divisors (1035953127).

2151594873 is an equidigital number, since it uses as much as digits as its factorization.

2151594873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79688708 (or 79688702 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 2151594873 is about 46385.2872471434. The cubic root of 2151594873 is about 1290.9819403027.

The spelling of 2151594873 in words is "two billion, one hundred fifty-one million, five hundred ninety-four thousand, eight hundred seventy-three".