5172646747 has 2 divisors, whose sum is σ = 5172646748. Its totient is φ = 5172646746.

The previous prime is 5172646693. The next prime is 5172646769. The reversal of 5172646747 is 7476462715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5172646747 - 2²³ = 5164258139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5172646747.

It is not a weakly prime, because it can be changed into another prime (5172656747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586323373 + 2586323374.

It is an arithmetic number, because the mean of its divisors is an integer number (2586323374).

Almost surely, 2^5172646747 is an apocalyptic number.

5172646747 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172646747 is an equidigital number, since it uses as much as digits as its factorization.

5172646747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 49.

The square root of 5172646747 is about 71921.1147508157. The cubic root of 5172646747 is about 1729.4351176777.

The spelling of 5172646747 in words is "five billion, one hundred seventy-two million, six hundred forty-six thousand, seven hundred forty-seven".