2139198583 has 2 divisors, whose sum is σ = 2139198584. Its totient is φ = 2139198582.

The previous prime is 2139198557. The next prime is 2139198647. The reversal of 2139198583 is 3858919312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139198583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139198533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069599291 + 1069599292.

It is an arithmetic number, because the mean of its divisors is an integer number (1069599292).

Almost surely, 2^2139198583 is an apocalyptic number.

2139198583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139198583 is an equidigital number, since it uses as much as digits as its factorization.

2139198583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The square root of 2139198583 is about 46251.4711441701. The cubic root of 2139198583 is about 1288.4978575000.

The spelling of 2139198583 in words is "two billion, one hundred thirty-nine million, one hundred ninety-eight thousand, five hundred eighty-three".