47804761449 has 27 divisors (see below), whose sum is σ = 71380999677. Its totient is φ = 30828663000.

The previous prime is 47804761441. The next prime is 47804761453. The reversal of 47804761449 is 94416740874.

The square root of 47804761449 is 218643.

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

47804761449 is a `hidden beast` number, since 47 + 80 + 476 + 14 + 49 = 666.

It is not a de Polignac number, because 47804761449 - 2³ = 47804761441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47804761395 and 47804761404.

It is not an unprimeable number, because it can be changed into a prime (47804761441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20332624 + ... + 20334974.

Almost surely, 2^47804761449 is an apocalyptic number.

47804761449 is the 218643-rd square number.

47804761449 is the 109322-nd centered octagonal number.

It is an amenable number.

47804761449 is a deficient number, since it is larger than the sum of its proper divisors (23576238228).

47804761449 is an frugal number, since it uses more digits than its factorization.

47804761449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 47804761449 in words is "forty-seven billion, eight hundred four million, seven hundred sixty-one thousand, four hundred forty-nine".