47222721489 has 8 divisors (see below), whose sum is σ = 62964736480. Its totient is φ = 31481260416.

The previous prime is 47222721479. The next prime is 47222721563. The reversal of 47222721489 is 98412722274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47222721489 - 2⁴ = 47222721473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47222721419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141057 + ... + 338145.

It is an arithmetic number, because the mean of its divisors is an integer number (7870592060).

Almost surely, 2^47222721489 is an apocalyptic number.

It is an amenable number.

47222721489 is a deficient number, since it is larger than the sum of its proper divisors (15742014991).

47222721489 is a wasteful number, since it uses less digits than its factorization.

47222721489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276959.

The product of its digits is 903168, while the sum is 48.

The spelling of 47222721489 in words is "forty-seven billion, two hundred twenty-two million, seven hundred twenty-one thousand, four hundred eighty-nine".