64633436230 has 96 divisors (see below), whose sum is σ = 130599786240. Its totient is φ = 23006280000.

The previous prime is 64633436227. The next prime is 64633436243. The reversal of 64633436230 is 3263433646.

It is a super-2 number, since 2×64633436230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17917087 + ... + 17920693.

It is an arithmetic number, because the mean of its divisors is an integer number (1360414440).

Almost surely, 2^64633436230 is an apocalyptic number.

64633436230 is an abundant number, since it is smaller than the sum of its proper divisors (65966350010).

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

64633436230 is a wasteful number, since it uses less digits than its factorization.

64633436230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 40.

Adding to 64633436230 its reverse (3263433646), we get a palindrome (67896869876).

The spelling of 64633436230 in words is "sixty-four billion, six hundred thirty-three million, four hundred thirty-six thousand, two hundred thirty".