47191449762 has 18 divisors (see below), whose sum is σ = 102250138107. Its totient is φ = 15730176036.

The previous prime is 47191449751. The next prime is 47191449839. The reversal of 47191449762 is 26794419174.

47191449762 is a `hidden beast` number, since 4 + 7 + 1 + 91 + 4 + 497 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23595724881 + 23595724881 = 153609^2 + 153609^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=153609.

It is a junction number, because it is equal to n+sod(n) for n = 47191449699 and 47191449708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 896053 + ... + 947255.

Almost surely, 2^47191449762 is an apocalyptic number.

47191449762 is an abundant number, since it is smaller than the sum of its proper divisors (55058688345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47191449762 is an frugal number, since it uses more digits than its factorization.

47191449762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102414 (or 51208 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 47191449762 in words is "forty-seven billion, one hundred ninety-one million, four hundred forty-nine thousand, seven hundred sixty-two".