5159978137 has 2 divisors, whose sum is σ = 5159978138. Its totient is φ = 5159978136.

The previous prime is 5159978119. The next prime is 5159978177. The reversal of 5159978137 is 7318799515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2709827136 + 2450151001 = 52056^2 + 49499^2 .

It is a cyclic number.

It is not a de Polignac number, because 5159978137 - 2¹¹ = 5159976089 is a prime.

It is not a weakly prime, because it can be changed into another prime (5159978107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2579989068 + 2579989069.

It is an arithmetic number, because the mean of its divisors is an integer number (2579989069).

Almost surely, 2^5159978137 is an apocalyptic number.

It is an amenable number.

5159978137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5159978137 is an equidigital number, since it uses as much as digits as its factorization.

5159978137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 55.

The square root of 5159978137 is about 71832.9878050468. The cubic root of 5159978137 is about 1728.0220789833.

The spelling of 5159978137 in words is "five billion, one hundred fifty-nine million, nine hundred seventy-eight thousand, one hundred thirty-seven".