8538021383 has 24 divisors (see below), whose sum is σ = 9069474288. Its totient is φ = 8036024832.

The previous prime is 8538021353. The next prime is 8538021389. The reversal of 8538021383 is 3831208358.

It is not a de Polignac number, because 8538021383 - 2⁶ = 8538021319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8538021383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538021389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11647685 + ... + 11648417.

It is an arithmetic number, because the mean of its divisors is an integer number (377894762).

Almost surely, 2^8538021383 is an apocalyptic number.

8538021383 is a deficient number, since it is larger than the sum of its proper divisors (531452905).

8538021383 is a wasteful number, since it uses less digits than its factorization.

8538021383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 8538021383 is about 92401.4143993478. The cubic root of 8538021383 is about 2043.8659696117.

The spelling of 8538021383 in words is "eight billion, five hundred thirty-eight million, twenty-one thousand, three hundred eighty-three".