75475184137 has 2 divisors, whose sum is σ = 75475184138. Its totient is φ = 75475184136.

The previous prime is 75475184111. The next prime is 75475184231. The reversal of 75475184137 is 73148157457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75330487296 + 144696841 = 274464^2 + 12029^2 .

It is an emirp because it is prime and its reverse (73148157457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75475184137 - 2¹⁵ = 75475151369 is a prime.

It is not a weakly prime, because it can be changed into another prime (75475184737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37737592068 + 37737592069.

It is an arithmetic number, because the mean of its divisors is an integer number (37737592069).

Almost surely, 2^75475184137 is an apocalyptic number.

It is an amenable number.

75475184137 is a deficient number, since it is larger than the sum of its proper divisors (1).

75475184137 is an equidigital number, since it uses as much as digits as its factorization.

75475184137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 52.

The spelling of 75475184137 in words is "seventy-five billion, four hundred seventy-five million, one hundred eighty-four thousand, one hundred thirty-seven".