5179658447497 has 4 divisors (see below), whose sum is σ = 5179663812880. Its totient is φ = 5179653082116.

The previous prime is 5179658447473. The next prime is 5179658447503. The reversal of 5179658447497 is 7947448569715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5179658447497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5179658447417) 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, 789063 + ... + 3313900.

It is an arithmetic number, because the mean of its divisors is an integer number (1294915953220).

Almost surely, 2^{5179658447497} is an apocalyptic number.

It is an amenable number.

5179658447497 is a deficient number, since it is larger than the sum of its proper divisors (5365383).

5179658447497 is a wasteful number, since it uses less digits than its factorization.

5179658447497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365382.

The product of its digits is 2133734400, while the sum is 76.

The spelling of 5179658447497 in words is "five trillion, one hundred seventy-nine billion, six hundred fifty-eight million, four hundred forty-seven thousand, four hundred ninety-seven".