83261817803013 has 4 divisors (see below), whose sum is σ = 111015757070688. Its totient is φ = 55507878535340.

The previous prime is 83261817802991. The next prime is 83261817803027. The reversal of 83261817803013 is 31030871816238.

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 83261817803013 - 2⁶ = 83261817802949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83261817803053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13876969633833 + ... + 13876969633838.

It is an arithmetic number, because the mean of its divisors is an integer number (27753939267672).

Almost surely, 2^{83261817803013} is an apocalyptic number.

It is an amenable number.

83261817803013 is a deficient number, since it is larger than the sum of its proper divisors (27753939267675).

83261817803013 is a wasteful number, since it uses less digits than its factorization.

83261817803013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753939267674.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 83261817803013 in words is "eighty-three trillion, two hundred sixty-one billion, eight hundred seventeen million, eight hundred three thousand, thirteen".