5197390647 has 16 divisors (see below), whose sum is σ = 7007890560. Its totient is φ = 3426040800.

The previous prime is 5197390633. The next prime is 5197390651. The reversal of 5197390647 is 7460937915.

It is not a de Polignac number, because 5197390647 - 2⁸ = 5197390391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5197390647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197390657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144372 + ... + 176742.

It is an arithmetic number, because the mean of its divisors is an integer number (437993160).

Almost surely, 2^5197390647 is an apocalyptic number.

5197390647 is a deficient number, since it is larger than the sum of its proper divisors (1810499913).

5197390647 is a wasteful number, since it uses less digits than its factorization.

5197390647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32974.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 5197390647 is about 72092.9306312346. The cubic root of 5197390647 is about 1732.1883771191.

The spelling of 5197390647 in words is "five billion, one hundred ninety-seven million, three hundred ninety thousand, six hundred forty-seven".