75428043822931 has 8 divisors (see below), whose sum is σ = 76435302086624. Its totient is φ = 74426073004800.

The previous prime is 75428043822869. The next prime is 75428043822959. The reversal of 75428043822931 is 13922834082457.

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 75428043822931 - 2⁴¹ = 73229020567379 is a prime.

It is a super-2 number, since 2×75428043822931² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75428043832931) 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 in 7 ways as a sum of consecutive naturals, for example, 1321832670 + ... + 1321889731.

It is an arithmetic number, because the mean of its divisors is an integer number (9554412760828).

Almost surely, 2^{75428043822931} is an apocalyptic number.

75428043822931 is a deficient number, since it is larger than the sum of its proper divisors (1007258263693).

75428043822931 is a wasteful number, since it uses less digits than its factorization.

75428043822931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643722781.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 75428043822931 in words is "seventy-five trillion, four hundred twenty-eight billion, forty-three million, eight hundred twenty-two thousand, nine hundred thirty-one".