47471258641 has 9 divisors (see below), whose sum is σ = 49630203259. Its totient is φ = 45402497536.

The previous prime is 47471258621. The next prime is 47471258651. The reversal of 47471258641 is 14685217474.

The square root of 47471258641 is 217879.

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., 46197054225 + 1274204416 = 214935^2 + 35696^2 .

It is not a de Polignac number, because 47471258641 - 2¹¹ = 47471256593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47471258621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5006481 + ... + 5015953.

Almost surely, 2^47471258641 is an apocalyptic number.

47471258641 is the 217879-th square number.

47471258641 is the 108940-th centered octagonal number.

It is an amenable number.

47471258641 is a deficient number, since it is larger than the sum of its proper divisors (2158944618).

47471258641 is an frugal number, since it uses more digits than its factorization.

47471258641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18992 (or 9496 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

Multiplying 47471258641 by its sum of digits (49), we get a square (2326091673409 = 1525153²).

The spelling of 47471258641 in words is "forty-seven billion, four hundred seventy-one million, two hundred fifty-eight thousand, six hundred forty-one".