76656541193 has 2 divisors, whose sum is σ = 76656541194. Its totient is φ = 76656541192.

The previous prime is 76656541187. The next prime is 76656541279. The reversal of 76656541193 is 39114565667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59676626944 + 16979914249 = 244288^2 + 130307^2 .

It is a cyclic number.

It is not a de Polignac number, because 76656541193 - 2³⁴ = 59476672009 is a prime.

It is not a weakly prime, because it can be changed into another prime (76656541153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38328270596 + 38328270597.

It is an arithmetic number, because the mean of its divisors is an integer number (38328270597).

Almost surely, 2^76656541193 is an apocalyptic number.

It is an amenable number.

76656541193 is a deficient number, since it is larger than the sum of its proper divisors (1).

76656541193 is an equidigital number, since it uses as much as digits as its factorization.

76656541193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The spelling of 76656541193 in words is "seventy-six billion, six hundred fifty-six million, five hundred forty-one thousand, one hundred ninety-three".