83275783249993 has 2 divisors, whose sum is σ = 83275783249994. Its totient is φ = 83275783249992.

The previous prime is 83275783249991. The next prime is 83275783250053. The reversal of 83275783249993 is 39994238757238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80431983318544 + 2843799931449 = 8968388^2 + 1686357^2 .

It is a cyclic number.

It is not a de Polignac number, because 83275783249993 - 2¹ = 83275783249991 is a prime.

Together with 83275783249991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83275783249991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41637891624996 + 41637891624997.

It is an arithmetic number, because the mean of its divisors is an integer number (41637891624997).

Almost surely, 2^{83275783249993} is an apocalyptic number.

It is an amenable number.

83275783249993 is a deficient number, since it is larger than the sum of its proper divisors (1).

83275783249993 is an equidigital number, since it uses as much as digits as its factorization.

83275783249993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4938071040, while the sum is 79.

The spelling of 83275783249993 in words is "eighty-three trillion, two hundred seventy-five billion, seven hundred eighty-three million, two hundred forty-nine thousand, nine hundred ninety-three".