75079129189 has 2 divisors, whose sum is σ = 75079129190. Its totient is φ = 75079129188.

The previous prime is 75079129141. The next prime is 75079129199. The reversal of 75079129189 is 98192197057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62079708964 + 12999420225 = 249158^2 + 114015^2 .

It is a cyclic number.

It is not a de Polignac number, because 75079129189 - 2²⁹ = 74542258277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75079129199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37539564594 + 37539564595.

It is an arithmetic number, because the mean of its divisors is an integer number (37539564595).

Almost surely, 2^75079129189 is an apocalyptic number.

It is an amenable number.

75079129189 is a deficient number, since it is larger than the sum of its proper divisors (1).

75079129189 is an equidigital number, since it uses as much as digits as its factorization.

75079129189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 58.

The spelling of 75079129189 in words is "seventy-five billion, seventy-nine million, one hundred twenty-nine thousand, one hundred eighty-nine".