47643220064 has 48 divisors (see below), whose sum is σ = 102713909760. Its totient is φ = 21573624960.

The previous prime is 47643220061. The next prime is 47643220117. The reversal of 47643220064 is 46002234674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47643220061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164744 + ... + 349895.

It is an arithmetic number, because the mean of its divisors is an integer number (2139873120).

Almost surely, 2^47643220064 is an apocalyptic number.

47643220064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47643220064 is an abundant number, since it is smaller than the sum of its proper divisors (55070689696).

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

47643220064 is a wasteful number, since it uses less digits than its factorization.

47643220064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514923 (or 514915 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 47643220064 in words is "forty-seven billion, six hundred forty-three million, two hundred twenty thousand, sixty-four".