4999864321 has 8 divisors (see below), whose sum is σ = 5067893600. Its totient is φ = 4932171648.

The previous prime is 4999864313. The next prime is 4999864343. The reversal of 4999864321 is 1234689994.

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 4999864321 - 2³ = 4999864313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999864621) 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, 54171 + ... + 113728.

It is an arithmetic number, because the mean of its divisors is an integer number (633486700).

Almost surely, 2^4999864321 is an apocalyptic number.

It is an amenable number.

4999864321 is a deficient number, since it is larger than the sum of its proper divisors (68029279).

4999864321 is a wasteful number, since it uses less digits than its factorization.

4999864321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168303.

The product of its digits is 3359232, while the sum is 55.

The square root of 4999864321 is about 70709.7187167365. The cubic root of 4999864321 is about 1709.9604793484.

The spelling of 4999864321 in words is "four billion, nine hundred ninety-nine million, eight hundred sixty-four thousand, three hundred twenty-one".