4933945821 has 16 divisors (see below), whose sum is σ = 7914099200. Its totient is φ = 2671008048.

The previous prime is 4933945817. The next prime is 4933945823. The reversal of 4933945821 is 1285493394.

It is not a de Polignac number, because 4933945821 - 2² = 4933945817 is a prime.

It is a super-3 number, since 3×4933945821³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4933945823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6182491 + ... + 6183288.

It is an arithmetic number, because the mean of its divisors is an integer number (494631200).

Almost surely, 2^4933945821 is an apocalyptic number.

It is an amenable number.

4933945821 is a deficient number, since it is larger than the sum of its proper divisors (2980153379).

4933945821 is a wasteful number, since it uses less digits than its factorization.

4933945821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365808.

The product of its digits is 933120, while the sum is 48.

The square root of 4933945821 is about 70242.0516571092. The cubic root of 4933945821 is about 1702.4124711502.

The spelling of 4933945821 in words is "four billion, nine hundred thirty-three million, nine hundred forty-five thousand, eight hundred twenty-one".