75666475014443 has 4 divisors (see below), whose sum is σ = 75668419157448. Its totient is φ = 75664530871440.

The previous prime is 75666475014439. The next prime is 75666475014451. The reversal of 75666475014443 is 34441057466657.

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 75666475014443 - 2² = 75666475014439 is a prime.

It is a super-2 number, since 2×75666475014443² (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 (75666475014643) 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, 972013121 + ... + 972090962.

It is an arithmetic number, because the mean of its divisors is an integer number (18917104789362).

Almost surely, 2^{75666475014443} is an apocalyptic number.

75666475014443 is a deficient number, since it is larger than the sum of its proper divisors (1944143005).

75666475014443 is a wasteful number, since it uses less digits than its factorization.

75666475014443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944143004.

The product of its (nonzero) digits is 203212800, while the sum is 62.

The spelling of 75666475014443 in words is "seventy-five trillion, six hundred sixty-six billion, four hundred seventy-five million, fourteen thousand, four hundred forty-three".