4632136221 has 16 divisors (see below), whose sum is σ = 6449834880. Its totient is φ = 2951477760.

The previous prime is 4632136193. The next prime is 4632136231. The reversal of 4632136221 is 1226312364.

It is not a de Polignac number, because 4632136221 - 2¹³ = 4632128029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4632136231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62901 + ... + 114981.

It is an arithmetic number, because the mean of its divisors is an integer number (403114680).

Almost surely, 2^4632136221 is an apocalyptic number.

It is an amenable number.

4632136221 is a deficient number, since it is larger than the sum of its proper divisors (1817698659).

4632136221 is a wasteful number, since it uses less digits than its factorization.

4632136221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53396.

The product of its digits is 10368, while the sum is 30.

The square root of 4632136221 is about 68059.7988610016. The cubic root of 4632136221 is about 1666.9674033623.

Adding to 4632136221 its reverse (1226312364), we get a palindrome (5858448585).

The spelling of 4632136221 in words is "four billion, six hundred thirty-two million, one hundred thirty-six thousand, two hundred twenty-one".