75693795538 has 4 divisors (see below), whose sum is σ = 113540693310. Its totient is φ = 37846897768.

The previous prime is 75693795481. The next prime is 75693795539. The reversal of 75693795538 is 83559739657.

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

It can be written as a sum of positive squares in only one way, i.e., 72777471529 + 2916324009 = 269773^2 + 54003^2 .

It is not an unprimeable number, because it can be changed into a prime (75693795539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18923448883 + ... + 18923448886.

Almost surely, 2^75693795538 is an apocalyptic number.

75693795538 is a deficient number, since it is larger than the sum of its proper divisors (37846897772).

75693795538 is a wasteful number, since it uses less digits than its factorization.

75693795538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37846897771.

The product of its digits is 214326000, while the sum is 67.

The spelling of 75693795538 in words is "seventy-five billion, six hundred ninety-three million, seven hundred ninety-five thousand, five hundred thirty-eight".