4859973621 has 16 divisors (see below), whose sum is σ = 7251764800. Its totient is φ = 3216670704.

The previous prime is 4859973589. The next prime is 4859973697. The reversal of 4859973621 is 1263799584.

4859973621 is a `hidden beast` number, since 4 + 8 + 5 + 9 + 9 + 7 + 3 + 621 = 666.

It is not a de Polignac number, because 4859973621 - 2⁵ = 4859973589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4859973221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643726 + ... + 651231.

It is an arithmetic number, because the mean of its divisors is an integer number (453235300).

Almost surely, 2^4859973621 is an apocalyptic number.

It is an amenable number.

4859973621 is a deficient number, since it is larger than the sum of its proper divisors (2391791179).

4859973621 is a wasteful number, since it uses less digits than its factorization.

4859973621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295105 (or 1295099 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 4859973621 is about 69713.5110362403. The cubic root of 4859973621 is about 1693.8617873396.

The spelling of 4859973621 in words is "four billion, eight hundred fifty-nine million, nine hundred seventy-three thousand, six hundred twenty-one".