83693343541 has 4 divisors (see below), whose sum is σ = 83734839532. Its totient is φ = 83651847552.

The previous prime is 83693343533. The next prime is 83693343551. The reversal of 83693343541 is 14534339638.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75774123441 + 7919220100 = 275271^2 + 88990^2 .

It is a cyclic number.

It is not a de Polignac number, because 83693343541 - 2³ = 83693343533 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 (83693343511) 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, 20744970 + ... + 20749003.

It is an arithmetic number, because the mean of its divisors is an integer number (20933709883).

Almost surely, 2^83693343541 is an apocalyptic number.

It is an amenable number.

83693343541 is a deficient number, since it is larger than the sum of its proper divisors (41495991).

83693343541 is a wasteful number, since it uses less digits than its factorization.

83693343541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41495990.

The product of its digits is 2799360, while the sum is 49.

The spelling of 83693343541 in words is "eighty-three billion, six hundred ninety-three million, three hundred forty-three thousand, five hundred forty-one".