4661223912 has 24 divisors (see below), whose sum is σ = 12624148290. Its totient is φ = 1553741280.

The previous prime is 4661223901. The next prime is 4661223929. The reversal of 4661223912 is 2193221664.

It is a happy number.

4661223912 is a `hidden beast` number, since 4 + 6 + 612 + 2 + 39 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2769495876 + 1891728036 = 52626^2 + 43494^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32369539 + ... + 32369682.

Almost surely, 2^4661223912 is an apocalyptic number.

It is an amenable number.

4661223912 is an abundant number, since it is smaller than the sum of its proper divisors (7962924378).

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

4661223912 is a wasteful number, since it uses less digits than its factorization.

4661223912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64739233 (or 64739226 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 4661223912 is about 68273.1565990617. The cubic root of 4661223912 is about 1670.4493886645.

The spelling of 4661223912 in words is "four billion, six hundred sixty-one million, two hundred twenty-three thousand, nine hundred twelve".