75057292169 has 2 divisors, whose sum is σ = 75057292170. Its totient is φ = 75057292168.

The previous prime is 75057292159. The next prime is 75057292241. The reversal of 75057292169 is 96129275057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56209297225 + 18847994944 = 237085^2 + 137288^2 .

It is an emirp because it is prime and its reverse (96129275057) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75057292169 is a prime.

It is a super-2 number, since 2×75057292169² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75057292169.

It is not a weakly prime, because it can be changed into another prime (75057292109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37528646084 + 37528646085.

It is an arithmetic number, because the mean of its divisors is an integer number (37528646085).

Almost surely, 2^75057292169 is an apocalyptic number.

It is an amenable number.

75057292169 is a deficient number, since it is larger than the sum of its proper divisors (1).

75057292169 is an equidigital number, since it uses as much as digits as its factorization.

75057292169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 75057292169 in words is "seventy-five billion, fifty-seven million, two hundred ninety-two thousand, one hundred sixty-nine".