4665421215 has 192 divisors, whose sum is σ = 10659317760. Its totient is φ = 1832647680.

The previous prime is 4665421193. The next prime is 4665421237. The reversal of 4665421215 is 5121245664.

It is an interprime number because it is at equal distance from previous prime (4665421193) and next prime (4665421237).

It is not a de Polignac number, because 4665421215 - 2⁵ = 4665421183 is a prime.

It is a super-2 number, since 2×4665421215² = 43532310226744152450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4665421215.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 4745614 + ... + 4746596.

It is an arithmetic number, because the mean of its divisors is an integer number (55517280).

Almost surely, 2^4665421215 is an apocalyptic number.

4665421215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4665421215 is an abundant number, since it is smaller than the sum of its proper divisors (5993896545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4665421215 is a wasteful number, since it uses less digits than its factorization.

4665421215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1091 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4665421215 is about 68303.8887253134. Note that the first 3 decimals coincide. The cubic root of 4665421215 is about 1670.9506360404.

Adding to 4665421215 its reverse (5121245664), we get a palindrome (9786666879).

The spelling of 4665421215 in words is "four billion, six hundred sixty-five million, four hundred twenty-one thousand, two hundred fifteen".