8482410721 has 4 divisors (see below), whose sum is σ = 8483188932. Its totient is φ = 8481632512.

The previous prime is 8482410689. The next prime is 8482410733. The reversal of 8482410721 is 1270142848.

It is a happy number.

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 1407750400 + 7074660321 = 37520^2 + 84111^2 .

It is a cyclic number.

It is not a de Polignac number, because 8482410721 - 2⁵ = 8482410689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8482410791) 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, 372520 + ... + 394633.

It is an arithmetic number, because the mean of its divisors is an integer number (2120797233).

Almost surely, 2^8482410721 is an apocalyptic number.

It is an amenable number.

8482410721 is a deficient number, since it is larger than the sum of its proper divisors (778211).

8482410721 is a wasteful number, since it uses less digits than its factorization.

8482410721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778210.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 8482410721 is about 92100.0039142236. The cubic root of 8482410721 is about 2039.4188656901.

The spelling of 8482410721 in words is "eight billion, four hundred eighty-two million, four hundred ten thousand, seven hundred twenty-one".