5169726857 has 2 divisors, whose sum is σ = 5169726858. Its totient is φ = 5169726856.

The previous prime is 5169726833. The next prime is 5169726889. The reversal of 5169726857 is 7586279615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3866228041 + 1303498816 = 62179^2 + 36104^2 .

It is a cyclic number.

It is not a de Polignac number, because 5169726857 - 2¹⁴ = 5169710473 is a prime.

It is not a weakly prime, because it can be changed into another prime (5169726817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584863428 + 2584863429.

It is an arithmetic number, because the mean of its divisors is an integer number (2584863429).

Almost surely, 2^5169726857 is an apocalyptic number.

It is an amenable number.

5169726857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5169726857 is an equidigital number, since it uses as much as digits as its factorization.

5169726857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 56.

The square root of 5169726857 is about 71900.8126310127. The cubic root of 5169726857 is about 1729.1096420862.

The spelling of 5169726857 in words is "five billion, one hundred sixty-nine million, seven hundred twenty-six thousand, eight hundred fifty-seven".