47247746089 has 4 divisors (see below), whose sum is σ = 47248244560. Its totient is φ = 47247247620.

The previous prime is 47247746081. The next prime is 47247746137. The reversal of 47247746089 is 98064774274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47247746089 - 2³ = 47247746081 is a prime.

It is a super-2 number, since 2×47247746089² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47247746081) 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, 58299 + ... + 312880.

It is an arithmetic number, because the mean of its divisors is an integer number (11812061140).

Almost surely, 2^47247746089 is an apocalyptic number.

It is an amenable number.

47247746089 is a deficient number, since it is larger than the sum of its proper divisors (498471).

47247746089 is a wasteful number, since it uses less digits than its factorization.

47247746089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498470.

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 47247746089 in words is "forty-seven billion, two hundred forty-seven million, seven hundred forty-six thousand, eighty-nine".