75217299813 has 8 divisors (see below), whose sum is σ = 111433036800. Its totient is φ = 50144866524.

The previous prime is 75217299811. The next prime is 75217299821. The reversal of 75217299813 is 31899271257.

It is a happy number.

75217299813 is a `hidden beast` number, since 7 + 521 + 7 + 29 + 98 + 1 + 3 = 666.

It is not a de Polignac number, because 75217299813 - 2¹ = 75217299811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75217299813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75217299811) 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 in 7 ways as a sum of consecutive naturals, for example, 1392912933 + ... + 1392912986.

It is an arithmetic number, because the mean of its divisors is an integer number (13929129600).

Almost surely, 2^75217299813 is an apocalyptic number.

It is an amenable number.

75217299813 is a deficient number, since it is larger than the sum of its proper divisors (36215736987).

75217299813 is a wasteful number, since it uses less digits than its factorization.

75217299813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785825928 (or 2785825922 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 75217299813 in words is "seventy-five billion, two hundred seventeen million, two hundred ninety-nine thousand, eight hundred thirteen".