47071589409 has 24 divisors (see below), whose sum is σ = 73289663720. Its totient is φ = 28940550912.

The previous prime is 47071589353. The next prime is 47071589429. The reversal of 47071589409 is 90498517074.

It can be written as a sum of positive squares in 4 ways, for example, as 4037331600 + 43034257809 = 63540^2 + 207447^2 .

It is not a de Polignac number, because 47071589409 - 2¹¹ = 47071587361 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 3.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (47071589429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56164 + ... + 311925.

Almost surely, 2^47071589409 is an apocalyptic number.

It is an amenable number.

47071589409 is a deficient number, since it is larger than the sum of its proper divisors (26218074311).

47071589409 is a wasteful number, since it uses less digits than its factorization.

47071589409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369201 (or 369198 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 47071589409 in words is "forty-seven billion, seventy-one million, five hundred eighty-nine thousand, four hundred nine".