4747417421 has 4 divisors (see below), whose sum is σ = 4911121500. Its totient is φ = 4583713344.

The previous prime is 4747417417. The next prime is 4747417427. The reversal of 4747417421 is 1247147474.

4747417421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3736876900 + 1010540521 = 61130^2 + 31789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4747417421 - 2² = 4747417417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747417427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81851996 + ... + 81852053.

It is an arithmetic number, because the mean of its divisors is an integer number (1227780375).

Almost surely, 2^4747417421 is an apocalyptic number.

It is an amenable number.

4747417421 is a deficient number, since it is larger than the sum of its proper divisors (163704079).

4747417421 is a wasteful number, since it uses less digits than its factorization.

4747417421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163704078.

The product of its digits is 175616, while the sum is 41.

The square root of 4747417421 is about 68901.5052157788. The cubic root of 4747417421 is about 1680.6829966931.

The spelling of 4747417421 in words is "four billion, seven hundred forty-seven million, four hundred seventeen thousand, four hundred twenty-one".