4616459921 has 8 divisors (see below), whose sum is σ = 4681290024. Its totient is φ = 4551672960.

The previous prime is 4616459899. The next prime is 4616459957. The reversal of 4616459921 is 1299546164.

It can be written as a sum of positive squares in 4 ways, for example, as 3565403521 + 1051056400 = 59711^2 + 32420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4616459921 - 2¹⁰ = 4616458897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4616429921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247751 + ... + 265731.

It is an arithmetic number, because the mean of its divisors is an integer number (585161253).

Almost surely, 2^4616459921 is an apocalyptic number.

It is an amenable number.

4616459921 is a deficient number, since it is larger than the sum of its proper divisors (64830103).

4616459921 is a wasteful number, since it uses less digits than its factorization.

4616459921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21571.

The product of its digits is 466560, while the sum is 47.

The square root of 4616459921 is about 67944.5356228152. The cubic root of 4616459921 is about 1665.0848007262.

The spelling of 4616459921 in words is "four billion, six hundred sixteen million, four hundred fifty-nine thousand, nine hundred twenty-one".