47043017646 has 16 divisors (see below), whose sum is σ = 94110139008. Its totient is φ = 15676988600.

The previous prime is 47043017621. The next prime is 47043017689. The reversal of 47043017646 is 64671034074.

It is a junction number, because it is equal to n+sod(n) for n = 47043017598 and 47043017607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978900 + ... + 1025831.

It is an arithmetic number, because the mean of its divisors is an integer number (5881883688).

Almost surely, 2^47043017646 is an apocalyptic number.

47043017646 is an abundant number, since it is smaller than the sum of its proper divisors (47067121362).

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

47043017646 is a wasteful number, since it uses less digits than its factorization.

47043017646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008647.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 47043017646 in words is "forty-seven billion, forty-three million, seventeen thousand, six hundred forty-six".