4581421807 has 8 divisors (see below), whose sum is σ = 4706262000. Its totient is φ = 4456635264.

The previous prime is 4581421787. The next prime is 4581421843. The reversal of 4581421807 is 7081241854.

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 4581421807 - 2²⁷ = 4447204079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4581421807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581421847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209319 + ... + 230167.

It is an arithmetic number, because the mean of its divisors is an integer number (588282750).

Almost surely, 2^4581421807 is an apocalyptic number.

4581421807 is a deficient number, since it is larger than the sum of its proper divisors (124840193).

4581421807 is a wasteful number, since it uses less digits than its factorization.

4581421807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26825.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 4581421807 is about 67686.2010087728. The cubic root of 4581421807 is about 1660.8615316714.

The spelling of 4581421807 in words is "four billion, five hundred eighty-one million, four hundred twenty-one thousand, eight hundred seven".