2139667593 has 16 divisors (see below), whose sum is σ = 3263794176. Its totient is φ = 1221411600.

The previous prime is 2139667591. The next prime is 2139667637. The reversal of 2139667593 is 3957669312.

It is a happy number.

It is not a de Polignac number, because 2139667593 - 2¹ = 2139667591 is a prime.

It is a super-3 number, since 3×2139667593³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2139667591) 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 15 ways as a sum of consecutive naturals, for example, 31183 + ... + 72468.

It is an arithmetic number, because the mean of its divisors is an integer number (203987136).

Almost surely, 2^2139667593 is an apocalyptic number.

It is an amenable number.

2139667593 is a deficient number, since it is larger than the sum of its proper divisors (1124126583).

2139667593 is a wasteful number, since it uses less digits than its factorization.

2139667593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104644.

The product of its digits is 1837080, while the sum is 51.

The square root of 2139667593 is about 46256.5410833971. The cubic root of 2139667593 is about 1288.5920164724.

The spelling of 2139667593 in words is "two billion, one hundred thirty-nine million, six hundred sixty-seven thousand, five hundred ninety-three".