75012638819 has 8 divisors (see below), whose sum is σ = 75197203200. Its totient is φ = 74828273416.

The previous prime is 75012638719. The next prime is 75012638849. The reversal of 75012638819 is 91883621057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75012638819 - 2¹⁶ = 75012573283 is a prime.

It is a super-2 number, since 2×75012638819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75012638849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719714 + ... + 817320.

It is an arithmetic number, because the mean of its divisors is an integer number (9399650400).

Almost surely, 2^75012638819 is an apocalyptic number.

75012638819 is a deficient number, since it is larger than the sum of its proper divisors (184564381).

75012638819 is a wasteful number, since it uses less digits than its factorization.

75012638819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99489.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 75012638819 in words is "seventy-five billion, twelve million, six hundred thirty-eight thousand, eight hundred nineteen".