82073426969540 has 12 divisors (see below), whose sum is σ = 172354196636076. Its totient is φ = 32829370787808.

The previous prime is 82073426969519. The next prime is 82073426969591. The reversal of 82073426969540 is 4596962437028.

It can be written as a sum of positive squares in 2 ways, for example, as 18936004808704 + 63137422160836 = 4351552^2 + 7945906^2 .

It is an unprimeable number.

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, 2051835674219 + ... + 2051835674258.

It is an arithmetic number, because the mean of its divisors is an integer number (14362849719673).

Almost surely, 2^{82073426969540} is an apocalyptic number.

It is an amenable number.

82073426969540 is an abundant number, since it is smaller than the sum of its proper divisors (90280769666536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82073426969540 is a wasteful number, since it uses less digits than its factorization.

82073426969540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103671348486 (or 4103671348484 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 65.

The spelling of 82073426969540 in words is "eighty-two trillion, seventy-three billion, four hundred twenty-six million, nine hundred sixty-nine thousand, five hundred forty".