83806049121 has 4 divisors (see below), whose sum is σ = 111741398832. Its totient is φ = 55870699412.

The previous prime is 83806049113. The next prime is 83806049143. The reversal of 83806049121 is 12194060838.

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 83806049121 - 2³ = 83806049113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83806049191) 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, 13967674851 + ... + 13967674856.

It is an arithmetic number, because the mean of its divisors is an integer number (27935349708).

Almost surely, 2^83806049121 is an apocalyptic number.

It is an amenable number.

83806049121 is a deficient number, since it is larger than the sum of its proper divisors (27935349711).

83806049121 is a wasteful number, since it uses less digits than its factorization.

83806049121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935349710.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 83806049121 in words is "eighty-three billion, eight hundred six million, forty-nine thousand, one hundred twenty-one".