47815244481 has 8 divisors (see below), whose sum is σ = 63762382720. Its totient is φ = 31872467952.

The previous prime is 47815244453. The next prime is 47815244513. The reversal of 47815244481 is 18444251874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47815244481 - 2⁶ = 47815244417 is a prime.

It is a super-2 number, since 2×47815244481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47815244481.

It is not an unprimeable number, because it can be changed into a prime (47815244431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064761 + ... + 1108758.

It is an arithmetic number, because the mean of its divisors is an integer number (7970297840).

Almost surely, 2^47815244481 is an apocalyptic number.

It is an amenable number.

47815244481 is a deficient number, since it is larger than the sum of its proper divisors (15947138239).

47815244481 is a wasteful number, since it uses less digits than its factorization.

47815244481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180855.

The product of its digits is 1146880, while the sum is 48.

The spelling of 47815244481 in words is "forty-seven billion, eight hundred fifteen million, two hundred forty-four thousand, four hundred eighty-one".