47189307361 has 9 divisors (see below), whose sum is σ = 54895453011. Its totient is φ = 40446674352.

The previous prime is 47189307331. The next prime is 47189307367. The reversal of 47189307361 is 16370398174.

The square root of 47189307361 is 217231.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31650189025 + 15539118336 = 177905^2 + 124656^2 .

It is not a de Polignac number, because 47189307361 - 2⁹ = 47189306849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (47189307367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1505101 + ... + 1536133.

It is an arithmetic number, because the mean of its divisors is an integer number (6099494779).

Almost surely, 2^47189307361 is an apocalyptic number.

47189307361 is the 217231-st square number.

47189307361 is the 108616-th centered octagonal number.

It is an amenable number.

47189307361 is a deficient number, since it is larger than the sum of its proper divisors (7706145650).

47189307361 is an frugal number, since it uses more digits than its factorization.

47189307361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62080 (or 31040 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

Multiplying 47189307361 by its sum of digits (49), we get a square (2312276060689 = 1520617²).

47189307361 divided by its sum of digits (49) gives a square (963047089 = 31033²).

The spelling of 47189307361 in words is "forty-seven billion, one hundred eighty-nine million, three hundred seven thousand, three hundred sixty-one".