4138561233 has 12 divisors (see below), whose sum is σ = 6090713460. Its totient is φ = 2706983136.

The previous prime is 4138561213. The next prime is 4138561303. The reversal of 4138561233 is 3321658314.

4138561233 is a `hidden beast` number, since 4 + 1 + 3 + 8 + 5 + 612 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3538703169 + 599858064 = 59487^2 + 24492^2 .

It is not a de Polignac number, because 4138561233 - 2⁵ = 4138561201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4138561213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4337638 + ... + 4338591.

It is an arithmetic number, because the mean of its divisors is an integer number (507559455).

Almost surely, 2^4138561233 is an apocalyptic number.

It is an amenable number.

4138561233 is a deficient number, since it is larger than the sum of its proper divisors (1952152227).

4138561233 is a wasteful number, since it uses less digits than its factorization.

4138561233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676288 (or 8676285 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4138561233 is about 64331.6503208180. The cubic root of 4138561233 is about 1605.5227423533.

The spelling of 4138561233 in words is "four billion, one hundred thirty-eight million, five hundred sixty-one thousand, two hundred thirty-three".