75731213759 has 2 divisors, whose sum is σ = 75731213760. Its totient is φ = 75731213758.

The previous prime is 75731213689. The next prime is 75731213773. The reversal of 75731213759 is 95731213757.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75731213759 - 2¹⁶ = 75731148223 is a prime.

It is a super-2 number, since 2×75731213759² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75731213059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37865606879 + 37865606880.

It is an arithmetic number, because the mean of its divisors is an integer number (37865606880).

Almost surely, 2^75731213759 is an apocalyptic number.

75731213759 is a deficient number, since it is larger than the sum of its proper divisors (1).

75731213759 is an equidigital number, since it uses as much as digits as its factorization.

75731213759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1389150, while the sum is 50.

The spelling of 75731213759 in words is "seventy-five billion, seven hundred thirty-one million, two hundred thirteen thousand, seven hundred fifty-nine".