83068833653 has 4 divisors (see below), whose sum is σ = 89458743948. Its totient is φ = 76678923360.

The previous prime is 83068833641. The next prime is 83068833767. The reversal of 83068833653 is 35633886038.

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 5463131569 + 77605702084 = 73913^2 + 278578^2 .

It is not a de Polignac number, because 83068833653 - 2¹⁰ = 83068832629 is a prime.

It is a super-2 number, since 2×83068833653² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83068833595 and 83068833604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83068833623) 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, 3194955128 + ... + 3194955153.

It is an arithmetic number, because the mean of its divisors is an integer number (22364685987).

Almost surely, 2^83068833653 is an apocalyptic number.

It is an amenable number.

83068833653 is a deficient number, since it is larger than the sum of its proper divisors (6389910295).

83068833653 is a wasteful number, since it uses less digits than its factorization.

83068833653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389910294.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 83068833653 in words is "eighty-three billion, sixty-eight million, eight hundred thirty-three thousand, six hundred fifty-three".