75239999999999 has 4 divisors (see below), whose sum is σ = 75241613496336. Its totient is φ = 75238386503664.

The previous prime is 75239999999947. The next prime is 75240000000013. The reversal of 75239999999999 is 99999999993257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75239999999999 - 2⁸ = 75239999999743 is a prime.

It is a super-9 number, since 9×75239999999999⁹ (a number of 126 digits) contains 999999999 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

75239999999999 is a modest number, since divided by 9999999 gives 7523999 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 75239999999896 and 75239999999905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75239999999909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806678219 + ... + 806771484.

It is an arithmetic number, because the mean of its divisors is an integer number (18810403374084).

Almost surely, 2^{75239999999999} is an apocalyptic number.

75239999999999 is a deficient number, since it is larger than the sum of its proper divisors (1613496337).

75239999999999 is a wasteful number, since it uses less digits than its factorization.

75239999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613496336.

The product of its digits is 732224724210, while the sum is 107.

The spelling of 75239999999999 in words is "seventy-five trillion, two hundred thirty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".