53386718869 has 4 divisors (see below), whose sum is σ = 58240056960. Its totient is φ = 48533380780.

The previous prime is 53386718863. The next prime is 53386718951. The reversal of 53386718869 is 96881768335.

53386718869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53386718869 - 2¹¹ = 53386716821 is a prime.

It is a super-3 number, since 3×53386718869³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 53386718869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53386718863) 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, 2426669029 + ... + 2426669050.

It is an arithmetic number, because the mean of its divisors is an integer number (14560014240).

Almost surely, 2^53386718869 is an apocalyptic number.

It is an amenable number.

53386718869 is a deficient number, since it is larger than the sum of its proper divisors (4853338091).

53386718869 is a wasteful number, since it uses less digits than its factorization.

53386718869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853338090.

The product of its digits is 52254720, while the sum is 64.

The spelling of 53386718869 in words is "fifty-three billion, three hundred eighty-six million, seven hundred eighteen thousand, eight hundred sixty-nine".