47809832643 has 12 divisors (see below), whose sum is σ = 70925097568. Its totient is φ = 31011783120.

The previous prime is 47809832617. The next prime is 47809832647. The reversal of 47809832643 is 34623890874.

It is not a de Polignac number, because 47809832643 - 2⁵ = 47809832611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47809832643.

It is not an unprimeable number, because it can be changed into a prime (47809832647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71786203 + ... + 71786868.

Almost surely, 2^47809832643 is an apocalyptic number.

47809832643 is a deficient number, since it is larger than the sum of its proper divisors (23115264925).

47809832643 is a wasteful number, since it uses less digits than its factorization.

47809832643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143573114 (or 143573111 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 47809832643 in words is "forty-seven billion, eight hundred nine million, eight hundred thirty-two thousand, six hundred forty-three".