4621683021 has 16 divisors (see below), whose sum is σ = 6197672448. Its totient is φ = 3063438000.

The previous prime is 4621682959. The next prime is 4621683023. The reversal of 4621683021 is 1203861264.

4621683021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4621683021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621683023) 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, 748296 + ... + 754446.

It is an arithmetic number, because the mean of its divisors is an integer number (387354528).

Almost surely, 2^4621683021 is an apocalyptic number.

It is an amenable number.

4621683021 is a deficient number, since it is larger than the sum of its proper divisors (1575989427).

4621683021 is a wasteful number, since it uses less digits than its factorization.

4621683021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4621683021 is about 67982.9612550086. The cubic root of 4621683021 is about 1665.7125275064.

The spelling of 4621683021 in words is "four billion, six hundred twenty-one million, six hundred eighty-three thousand, twenty-one".