76194628189 has 2 divisors, whose sum is σ = 76194628190. Its totient is φ = 76194628188.

The previous prime is 76194628187. The next prime is 76194628193. The reversal of 76194628189 is 98182649167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48275560089 + 27919068100 = 219717^2 + 167090^2 .

It is a cyclic number.

It is not a de Polignac number, because 76194628189 - 2¹ = 76194628187 is a prime.

Together with 76194628187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76194628187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38097314094 + 38097314095.

It is an arithmetic number, because the mean of its divisors is an integer number (38097314095).

Almost surely, 2^76194628189 is an apocalyptic number.

It is an amenable number.

76194628189 is a deficient number, since it is larger than the sum of its proper divisors (1).

76194628189 is an equidigital number, since it uses as much as digits as its factorization.

76194628189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 61.

The spelling of 76194628189 in words is "seventy-six billion, one hundred ninety-four million, six hundred twenty-eight thousand, one hundred eighty-nine".