83504421653 has 8 divisors (see below), whose sum is σ = 83725266816. Its totient is φ = 83283640000.

The previous prime is 83504421643. The next prime is 83504421703. The reversal of 83504421653 is 35612440538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83504421653 - 2²⁴ = 83487644437 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 83504421653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83504421643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819050 + ... + 3840852.

It is an arithmetic number, because the mean of its divisors is an integer number (10465658352).

Almost surely, 2^83504421653 is an apocalyptic number.

It is an amenable number.

83504421653 is a deficient number, since it is larger than the sum of its proper divisors (220845163).

83504421653 is a wasteful number, since it uses less digits than its factorization.

83504421653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31755.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 83504421653 in words is "eighty-three billion, five hundred four million, four hundred twenty-one thousand, six hundred fifty-three".