4771608421 has 4 divisors (see below), whose sum is σ = 4852483200. Its totient is φ = 4690733644.

The previous prime is 4771608367. The next prime is 4771608431. The reversal of 4771608421 is 1248061774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4771608421 - 2³¹ = 2624124773 is a prime.

It is a super-2 number, since 2×4771608421² = 45536493846716226482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4771608431) 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, 40437301 + ... + 40437418.

It is an arithmetic number, because the mean of its divisors is an integer number (1213120800).

Almost surely, 2^4771608421 is an apocalyptic number.

It is an amenable number.

4771608421 is a deficient number, since it is larger than the sum of its proper divisors (80874779).

4771608421 is an equidigital number, since it uses as much as digits as its factorization.

4771608421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80874778.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 4771608421 is about 69076.8298418507. The cubic root of 4771608421 is about 1683.5328647009.

The spelling of 4771608421 in words is "four billion, seven hundred seventy-one million, six hundred eight thousand, four hundred twenty-one".