5263805438 has 32 divisors (see below), whose sum is σ = 8772079680. Its totient is φ = 2356231680.

The previous prime is 5263805389. The next prime is 5263805509. The reversal of 5263805438 is 8345083625.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122948 + ... + 160136.

It is an arithmetic number, because the mean of its divisors is an integer number (274127490).

Almost surely, 2^5263805438 is an apocalyptic number.

5263805438 is a deficient number, since it is larger than the sum of its proper divisors (3508274242).

5263805438 is a wasteful number, since it uses less digits than its factorization.

5263805438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37412.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 5263805438 is about 72552.0877576931. The cubic root of 5263805438 is about 1739.5354198532.

The spelling of 5263805438 in words is "five billion, two hundred sixty-three million, eight hundred five thousand, four hundred thirty-eight".