5263916535685 has 4 divisors (see below), whose sum is σ = 6316699842828. Its totient is φ = 4211133228544.

The previous prime is 5263916535607. The next prime is 5263916535697. The reversal of 5263916535685 is 5865356193625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3128770181889 + 2135146353796 = 1768833^2 + 1461214^2 .

It is a cyclic number.

It is not a de Polignac number, because 5263916535685 - 2¹¹ = 5263916533637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 526391653564 + ... + 526391653573.

It is an arithmetic number, because the mean of its divisors is an integer number (1579174960707).

Almost surely, 2^{5263916535685} is an apocalyptic number.

It is an amenable number.

5263916535685 is a deficient number, since it is larger than the sum of its proper divisors (1052783307143).

5263916535685 is a wasteful number, since it uses less digits than its factorization.

5263916535685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052783307142.

The product of its digits is 174960000, while the sum is 64.

The spelling of 5263916535685 in words is "five trillion, two hundred sixty-three billion, nine hundred sixteen million, five hundred thirty-five thousand, six hundred eighty-five".