47575025689 has 3 divisors (see below), whose sum is σ = 47575243807. Its totient is φ = 47574807572.

The previous prime is 47575025681. The next prime is 47575025753. The reversal of 47575025689 is 98652057574.

The square root of 47575025689 is 218117.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 46740278025 + 834747664 = 216195^2 + 28892^2 .

It is not a de Polignac number, because 47575025689 - 2³ = 47575025681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47575025681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 109059 + ... + 327175.

Almost surely, 2^47575025689 is an apocalyptic number.

47575025689 is the 218117-th square number.

47575025689 is the 109059-th centered octagonal number.

It is an amenable number.

47575025689 is a deficient number, since it is larger than the sum of its proper divisors (218118).

47575025689 is an frugal number, since it uses more digits than its factorization.

47575025689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436234 (or 218117 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 47575025689 in words is "forty-seven billion, five hundred seventy-five million, twenty-five thousand, six hundred eighty-nine".