5186749693 has 2 divisors, whose sum is σ = 5186749694. Its totient is φ = 5186749692.

The previous prime is 5186749643. The next prime is 5186749697. The reversal of 5186749693 is 3969476815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3538227289 + 1648522404 = 59483^2 + 40602^2 .

It is a cyclic number.

It is not a de Polignac number, because 5186749693 - 2¹³ = 5186741501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5186749697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593374846 + 2593374847.

It is an arithmetic number, because the mean of its divisors is an integer number (2593374847).

Almost surely, 2^5186749693 is an apocalyptic number.

It is an amenable number.

5186749693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5186749693 is an equidigital number, since it uses as much as digits as its factorization.

5186749693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 58.

The square root of 5186749693 is about 72019.0925588486. The cubic root of 5186749693 is about 1731.0054290128.

The spelling of 5186749693 in words is "five billion, one hundred eighty-six million, seven hundred forty-nine thousand, six hundred ninety-three".