47149389432 has 96 divisors (see below), whose sum is σ = 135272592000. Its totient is φ = 14784878592.

The previous prime is 47149389421. The next prime is 47149389467. The reversal of 47149389432 is 23498394174.

47149389432 is a `hidden beast` number, since 4 + 71 + 493 + 89 + 4 + 3 + 2 = 666.

It is a super-5 number, since 5×47149389432⁵ (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2928348 + ... + 2944404.

It is an arithmetic number, because the mean of its divisors is an integer number (1409089500).

Almost surely, 2^47149389432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47149389432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67636296000).

47149389432 is an abundant number, since it is smaller than the sum of its proper divisors (88123202568).

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

47149389432 is a wasteful number, since it uses less digits than its factorization.

47149389432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18485 (or 18478 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 47149389432 in words is "forty-seven billion, one hundred forty-nine million, three hundred eighty-nine thousand, four hundred thirty-two".