47432732447 has 8 divisors (see below), whose sum is σ = 48073362480. Its totient is φ = 46795838400.

The previous prime is 47432732441. The next prime is 47432732453. The reversal of 47432732447 is 74423723474.

It is an interprime number because it is at equal distance from previous prime (47432732441) and next prime (47432732453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47432732447 - 2¹⁸ = 47432470303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47432732441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908429 + ... + 959222.

It is an arithmetic number, because the mean of its divisors is an integer number (6009170310).

Almost surely, 2^47432732447 is an apocalyptic number.

47432732447 is a deficient number, since it is larger than the sum of its proper divisors (640630033).

47432732447 is a wasteful number, since it uses less digits than its factorization.

47432732447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867993.

The product of its digits is 3161088, while the sum is 47.

The spelling of 47432732447 in words is "forty-seven billion, four hundred thirty-two million, seven hundred thirty-two thousand, four hundred forty-seven".