5197138715 has 8 divisors (see below), whose sum is σ = 6254541360. Its totient is φ = 4145727712.

The previous prime is 5197138657. The next prime is 5197138717. The reversal of 5197138715 is 5178317915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5197138715 - 2⁶ = 5197138651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5197138715.

It is not an unprimeable number, because it can be changed into a prime (5197138717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496000 + ... + 1499469.

It is an arithmetic number, because the mean of its divisors is an integer number (781817670).

Almost surely, 2^5197138715 is an apocalyptic number.

5197138715 is a deficient number, since it is larger than the sum of its proper divisors (1057402645).

5197138715 is a wasteful number, since it uses less digits than its factorization.

5197138715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995821.

The product of its digits is 264600, while the sum is 47.

The square root of 5197138715 is about 72091.1833374928. The cubic root of 5197138715 is about 1732.1603886685.

The spelling of 5197138715 in words is "five billion, one hundred ninety-seven million, one hundred thirty-eight thousand, seven hundred fifteen".