47181847434 has 16 divisors (see below), whose sum is σ = 94643709888. Its totient is φ = 15680613312.

The previous prime is 47181847423. The next prime is 47181847441. The reversal of 47181847434 is 43474818174.

It is a happy number.

It is a super-2 number, since 2×47181847434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 11665102 + ... + 11669145.

It is an arithmetic number, because the mean of its divisors is an integer number (5915231868).

Almost surely, 2^47181847434 is an apocalyptic number.

47181847434 is an abundant number, since it is smaller than the sum of its proper divisors (47461862454).

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

47181847434 is a wasteful number, since it uses less digits than its factorization.

47181847434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334589.

The product of its digits is 2408448, while the sum is 51.

The spelling of 47181847434 in words is "forty-seven billion, one hundred eighty-one million, eight hundred forty-seven thousand, four hundred thirty-four".