47538235664 has 10 divisors (see below), whose sum is σ = 92105331630. Its totient is φ = 23769117824.

The previous prime is 47538235649. The next prime is 47538235673. The reversal of 47538235664 is 46653283574.

47538235664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45513955600 + 2024280064 = 213340^2 + 44992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485569849 + ... + 1485569880.

It is an arithmetic number, because the mean of its divisors is an integer number (9210533163).

Almost surely, 2^47538235664 is an apocalyptic number.

It is an amenable number.

47538235664 is a deficient number, since it is larger than the sum of its proper divisors (44567095966).

47538235664 is a wasteful number, since it uses less digits than its factorization.

47538235664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971139737 (or 2971139731 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 53.

The spelling of 47538235664 in words is "forty-seven billion, five hundred thirty-eight million, two hundred thirty-five thousand, six hundred sixty-four".