47121215019 has 8 divisors (see below), whose sum is σ = 62992330752. Its totient is φ = 31332121320.

The previous prime is 47121214963. The next prime is 47121215023. The reversal of 47121215019 is 91051212174.

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

It is not a de Polignac number, because 47121215019 - 2²¹ = 47119117867 is a prime.

It is a super-2 number, since 2×47121215019² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) 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 (47121285019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20504167 + ... + 20506464.

It is an arithmetic number, because the mean of its divisors is an integer number (7874041344).

Almost surely, 2^47121215019 is an apocalyptic number.

47121215019 is a deficient number, since it is larger than the sum of its proper divisors (15871115733).

47121215019 is a wasteful number, since it uses less digits than its factorization.

47121215019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41011017.

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 47121215019 in words is "forty-seven billion, one hundred twenty-one million, two hundred fifteen thousand, nineteen".