69385743543 has 4 divisors (see below), whose sum is σ = 92514324728. Its totient is φ = 46257162360.

The previous prime is 69385743481. The next prime is 69385743587. The reversal of 69385743543 is 34534758396.

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

It is not a de Polignac number, because 69385743543 - 2¹² = 69385739447 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 (69385743643) 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, 11564290588 + ... + 11564290593.

It is an arithmetic number, because the mean of its divisors is an integer number (23128581182).

Almost surely, 2^69385743543 is an apocalyptic number.

69385743543 is a deficient number, since it is larger than the sum of its proper divisors (23128581185).

69385743543 is a wasteful number, since it uses less digits than its factorization.

69385743543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23128581184.

The product of its digits is 32659200, while the sum is 57.

The spelling of 69385743543 in words is "sixty-nine billion, three hundred eighty-five million, seven hundred forty-three thousand, five hundred forty-three".