47861747219 has 32 divisors (see below), whose sum is σ = 56759028480. Its totient is φ = 39786364800.

The previous prime is 47861747191. The next prime is 47861747221. The reversal of 47861747219 is 91274716874.

It is a de Polignac number, because none of the positive numbers 2^k-47861747219 is a prime.

It is a super-2 number, since 2×47861747219² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47861747239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12343109 + ... + 12346985.

It is an arithmetic number, because the mean of its divisors is an integer number (1773719640).

Almost surely, 2^47861747219 is an apocalyptic number.

47861747219 is a deficient number, since it is larger than the sum of its proper divisors (8897281261).

47861747219 is a wasteful number, since it uses less digits than its factorization.

47861747219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its digits is 4741632, while the sum is 56.

The spelling of 47861747219 in words is "forty-seven billion, eight hundred sixty-one million, seven hundred forty-seven thousand, two hundred nineteen".