5263636436 has 12 divisors (see below), whose sum is σ = 9240984480. Its totient is φ = 2623355160.

The previous prime is 5263636423. The next prime is 5263636453. The reversal of 5263636436 is 6346363625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114366 + ... + 2116853.

It is an arithmetic number, because the mean of its divisors is an integer number (770082040).

Almost surely, 2^5263636436 is an apocalyptic number.

It is an amenable number.

5263636436 is a deficient number, since it is larger than the sum of its proper divisors (3977348044).

5263636436 is a wasteful number, since it uses less digits than its factorization.

5263636436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231534 (or 4231532 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 44.

The square root of 5263636436 is about 72550.9230540866. The cubic root of 5263636436 is about 1739.5168028967.

The spelling of 5263636436 in words is "five billion, two hundred sixty-three million, six hundred thirty-six thousand, four hundred thirty-six".