4658850421 has 4 divisors (see below), whose sum is σ = 4659768844. Its totient is φ = 4657932000.

The previous prime is 4658850373. The next prime is 4658850451. The reversal of 4658850421 is 1240588564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2200079025 + 2458771396 = 46905^2 + 49586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4658850421 - 2¹³ = 4658842229 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 (4658850451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451560 + ... + 461761.

It is an arithmetic number, because the mean of its divisors is an integer number (1164942211).

Almost surely, 2^4658850421 is an apocalyptic number.

It is an amenable number.

4658850421 is a deficient number, since it is larger than the sum of its proper divisors (918423).

4658850421 is an equidigital number, since it uses as much as digits as its factorization.

4658850421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918422.

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 4658850421 is about 68255.7720709392. The cubic root of 4658850421 is about 1670.1658100871.

The spelling of 4658850421 in words is "four billion, six hundred fifty-eight million, eight hundred fifty thousand, four hundred twenty-one".