4486317921 has 10 divisors (see below), whose sum is σ = 6701783682. Its totient is φ = 2990878560.

The previous prime is 4486317911. The next prime is 4486317929. The reversal of 4486317921 is 1297136844.

4486317921 is a `hidden beast` number, since 4 + 4 + 8 + 631 + 7 + 9 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3375029025 + 1111288896 = 58095^2 + 33336^2 .

It is not a de Polignac number, because 4486317921 - 2¹⁷ = 4486186849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4486317929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27693240 + ... + 27693401.

Almost surely, 2^4486317921 is an apocalyptic number.

It is an amenable number.

4486317921 is a deficient number, since it is larger than the sum of its proper divisors (2215465761).

4486317921 is an equidigital number, since it uses as much as digits as its factorization.

4486317921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55386653 (or 55386644 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4486317921 is about 66979.9814944734. The cubic root of 4486317921 is about 1649.2886950577.

The spelling of 4486317921 in words is "four billion, four hundred eighty-six million, three hundred seventeen thousand, nine hundred twenty-one".