75801134389 has 4 divisors (see below), whose sum is σ = 75802771180. Its totient is φ = 75799497600.

The previous prime is 75801134363. The next prime is 75801134401. The reversal of 75801134389 is 98343110857.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13808600100 + 61992534289 = 117510^2 + 248983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75801134389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75801134309) 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, 746844 + ... + 842245.

It is an arithmetic number, because the mean of its divisors is an integer number (18950692795).

Almost surely, 2^75801134389 is an apocalyptic number.

It is an amenable number.

75801134389 is a deficient number, since it is larger than the sum of its proper divisors (1636791).

75801134389 is a wasteful number, since it uses less digits than its factorization.

75801134389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636790.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 75801134389 in words is "seventy-five billion, eight hundred one million, one hundred thirty-four thousand, three hundred eighty-nine".