47591447632 has 10 divisors (see below), whose sum is σ = 92208429818. Its totient is φ = 23795723808.

The previous prime is 47591447591. The next prime is 47591447633. The reversal of 47591447632 is 23674419574.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47435097616 + 156350016 = 217796^2 + 12504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47591447632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47591447633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487232723 + ... + 1487232754.

Almost surely, 2^47591447632 is an apocalyptic number.

It is an amenable number.

47591447632 is a deficient number, since it is larger than the sum of its proper divisors (44616982186).

47591447632 is a wasteful number, since it uses less digits than its factorization.

47591447632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974465485 (or 2974465479 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 47591447632 in words is "forty-seven billion, five hundred ninety-one million, four hundred forty-seven thousand, six hundred thirty-two".