47391496566 has 16 divisors (see below), whose sum is σ = 94786146864. Its totient is φ = 15796639904.

The previous prime is 47391496507. The next prime is 47391496589. The reversal of 47391496566 is 66569419374.

It is a happy number.

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, 93580 + ... + 321776.

It is an arithmetic number, because the mean of its divisors is an integer number (5924134179).

Almost surely, 2^47391496566 is an apocalyptic number.

47391496566 is an abundant number, since it is smaller than the sum of its proper divisors (47394650298).

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

47391496566 is a wasteful number, since it uses less digits than its factorization.

47391496566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262815.

The product of its digits is 29393280, while the sum is 60.

The spelling of 47391496566 in words is "forty-seven billion, three hundred ninety-one million, four hundred ninety-six thousand, five hundred sixty-six".