5047612821 has 24 divisors (see below), whose sum is σ = 7805810880. Its totient is φ = 3217638600.

The previous prime is 5047612771. The next prime is 5047612837. The reversal of 5047612821 is 1282167405.

5047612821 is a `hidden beast` number, since 504 + 7 + 6 + 128 + 21 = 666.

It is not a de Polignac number, because 5047612821 - 2¹¹ = 5047610773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047612861) 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, 1769046 + ... + 1771896.

It is an arithmetic number, because the mean of its divisors is an integer number (325242120).

Almost surely, 2^5047612821 is an apocalyptic number.

It is an amenable number.

5047612821 is a deficient number, since it is larger than the sum of its proper divisors (2758198059).

5047612821 is an frugal number, since it uses more digits than its factorization.

5047612821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 5047612821 is about 71046.5538995383. The cubic root of 5047612821 is about 1715.3865936810.

The spelling of 5047612821 in words is "five billion, forty-seven million, six hundred twelve thousand, eight hundred twenty-one".