47141528641 has 3 divisors (see below), whose sum is σ = 47141745763. Its totient is φ = 47141311520.

The previous prime is 47141528639. The next prime is 47141528657. The reversal of 47141528641 is 14682514174.

The square root of 47141528641 is 217121.

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

47141528641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10584088641 + 36557440000 = 102879^2 + 191200^2 .

It is not a de Polignac number, because 47141528641 - 2¹ = 47141528639 is a prime.

It is a super-2 number, since 2×47141528641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47141528611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 108561 + ... + 325681.

Almost surely, 2^47141528641 is an apocalyptic number.

47141528641 is the 217121-st square number.

47141528641 is the 108561-st centered octagonal number.

It is an amenable number.

47141528641 is a deficient number, since it is larger than the sum of its proper divisors (217122).

47141528641 is an frugal number, since it uses more digits than its factorization.

47141528641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434242 (or 217121 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 47141528641 in words is "forty-seven billion, one hundred forty-one million, five hundred twenty-eight thousand, six hundred forty-one".