5266638383 has 4 divisors (see below), whose sum is σ = 5286663888. Its totient is φ = 5246612880.

The previous prime is 5266638379. The next prime is 5266638389. The reversal of 5266638383 is 3838366625.

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

It is a cyclic number.

It is not a de Polignac number, because 5266638383 - 2² = 5266638379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266638389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10012358 + ... + 10012883.

It is an arithmetic number, because the mean of its divisors is an integer number (1321665972).

Almost surely, 2^5266638383 is an apocalyptic number.

5266638383 is a deficient number, since it is larger than the sum of its proper divisors (20025505).

5266638383 is a wasteful number, since it uses less digits than its factorization.

5266638383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025504.

The product of its digits is 3732480, while the sum is 50.

The square root of 5266638383 is about 72571.6086565538. The cubic root of 5266638383 is about 1739.8474326748.

The spelling of 5266638383 in words is "five billion, two hundred sixty-six million, six hundred thirty-eight thousand, three hundred eighty-three".