75610191689 has 2 divisors, whose sum is σ = 75610191690. Its totient is φ = 75610191688.

The previous prime is 75610191599. The next prime is 75610191719. The reversal of 75610191689 is 98619101657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74683598089 + 926593600 = 273283^2 + 30440^2 .

It is a cyclic number.

It is not a de Polignac number, because 75610191689 - 2²⁴ = 75593414473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75610191689.

It is not a weakly prime, because it can be changed into another prime (75610191289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37805095844 + 37805095845.

It is an arithmetic number, because the mean of its divisors is an integer number (37805095845).

Almost surely, 2^75610191689 is an apocalyptic number.

It is an amenable number.

75610191689 is a deficient number, since it is larger than the sum of its proper divisors (1).

75610191689 is an equidigital number, since it uses as much as digits as its factorization.

75610191689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 75610191689 in words is "seventy-five billion, six hundred ten million, one hundred ninety-one thousand, six hundred eighty-nine".