47484540891 has 24 divisors (see below), whose sum is σ = 68778240960. Its totient is φ = 31569044976.

The previous prime is 47484540881. The next prime is 47484540923. The reversal of 47484540891 is 19804548474.

47484540891 is a `hidden beast` number, since 4 + 7 + 4 + 8 + 4 + 540 + 8 + 91 = 666.

It is not a de Polignac number, because 47484540891 - 2⁹ = 47484540379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47484540881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5232540 + ... + 5241606.

It is an arithmetic number, because the mean of its divisors is an integer number (2865760040).

Almost surely, 2^47484540891 is an apocalyptic number.

47484540891 is a deficient number, since it is larger than the sum of its proper divisors (21293700069).

47484540891 is a wasteful number, since it uses less digits than its factorization.

47484540891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615 (or 10612 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 47484540891 in words is "forty-seven billion, four hundred eighty-four million, five hundred forty thousand, eight hundred ninety-one".