2139586514897 has 4 divisors (see below), whose sum is σ = 2304170092980. Its totient is φ = 1975002936816.

The previous prime is 2139586514867. The next prime is 2139586514959. The reversal of 2139586514897 is 7984156859312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1066023210256 + 1073563304641 = 1032484^2 + 1036129^2 .

It is not a de Polignac number, because 2139586514897 - 2¹⁴ = 2139586498513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139586514867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82291789022 + ... + 82291789047.

It is an arithmetic number, because the mean of its divisors is an integer number (576042523245).

Almost surely, 2^{2139586514897} is an apocalyptic number.

It is an amenable number.

2139586514897 is a deficient number, since it is larger than the sum of its proper divisors (164583578083).

2139586514897 is a wasteful number, since it uses less digits than its factorization.

2139586514897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164583578082.

The product of its digits is 130636800, while the sum is 68.

The spelling of 2139586514897 in words is "two trillion, one hundred thirty-nine billion, five hundred eighty-six million, five hundred fourteen thousand, eight hundred ninety-seven".