5185549693 has 2 divisors, whose sum is σ = 5185549694. Its totient is φ = 5185549692.

The previous prime is 5185549679. The next prime is 5185549723. The reversal of 5185549693 is 3969455815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3203786404 + 1981763289 = 56602^2 + 44517^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185549693 - 2¹⁷ = 5185418621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185549643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592774846 + 2592774847.

It is an arithmetic number, because the mean of its divisors is an integer number (2592774847).

Almost surely, 2^5185549693 is an apocalyptic number.

It is an amenable number.

5185549693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185549693 is an equidigital number, since it uses as much as digits as its factorization.

5185549693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 55.

The square root of 5185549693 is about 72010.7609527909. The cubic root of 5185549693 is about 1730.8719242908.

The spelling of 5185549693 in words is "five billion, one hundred eighty-five million, five hundred forty-nine thousand, six hundred ninety-three".