47745732135 has 16 divisors (see below), whose sum is σ = 76463090784. Its totient is φ = 25441084032.

The previous prime is 47745732119. The next prime is 47745732157. The reversal of 47745732135 is 53123754774.

It is not a de Polignac number, because 47745732135 - 2⁴ = 47745732119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439712 + ... + 1472501.

It is an arithmetic number, because the mean of its divisors is an integer number (4778943174).

Almost surely, 2^47745732135 is an apocalyptic number.

47745732135 is a deficient number, since it is larger than the sum of its proper divisors (28717358649).

47745732135 is a wasteful number, since it uses less digits than its factorization.

47745732135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913314.

The product of its digits is 2469600, while the sum is 48.

The spelling of 47745732135 in words is "forty-seven billion, seven hundred forty-five million, seven hundred thirty-two thousand, one hundred thirty-five".