47445967934 has 4 divisors (see below), whose sum is σ = 71168951904. Its totient is φ = 23722983966.

The previous prime is 47445967931. The next prime is 47445967963. The reversal of 47445967934 is 43976954474.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×47445967934² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47445967931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861491982 + ... + 11861491985.

It is an arithmetic number, because the mean of its divisors is an integer number (17792237976).

Almost surely, 2^47445967934 is an apocalyptic number.

47445967934 is a deficient number, since it is larger than the sum of its proper divisors (23722983970).

47445967934 is a wasteful number, since it uses less digits than its factorization.

47445967934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722983969.

The product of its digits is 91445760, while the sum is 62.

The spelling of 47445967934 in words is "forty-seven billion, four hundred forty-five million, nine hundred sixty-seven thousand, nine hundred thirty-four".