47742560521 has 8 divisors (see below), whose sum is σ = 50558078880. Its totient is φ = 44927834688.

The previous prime is 47742560483. The next prime is 47742560527. The reversal of 47742560521 is 12506524774.

47742560521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47742560521 - 2⁹ = 47742560009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47742560527) 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, 71791 + ... + 317236.

It is an arithmetic number, because the mean of its divisors is an integer number (6319759860).

Almost surely, 2^47742560521 is an apocalyptic number.

It is an amenable number.

47742560521 is a deficient number, since it is larger than the sum of its proper divisors (2815518359).

47742560521 is a wasteful number, since it uses less digits than its factorization.

47742560521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396263.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 47742560521 in words is "forty-seven billion, seven hundred forty-two million, five hundred sixty thousand, five hundred twenty-one".