4661143237 has 2 divisors, whose sum is σ = 4661143238. Its totient is φ = 4661143236.

The previous prime is 4661143211. The next prime is 4661143297. The reversal of 4661143237 is 7323411664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4386942756 + 274200481 = 66234^2 + 16559^2 .

It is a cyclic number.

It is not a de Polignac number, because 4661143237 - 2¹⁵ = 4661110469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4661143196 and 4661143205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4661143297) by changing a digit.

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 as a sum of consecutive naturals, namely, 2330571618 + 2330571619.

It is an arithmetic number, because the mean of its divisors is an integer number (2330571619).

Almost surely, 2^4661143237 is an apocalyptic number.

It is an amenable number.

4661143237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661143237 is an equidigital number, since it uses as much as digits as its factorization.

4661143237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 4661143237 is about 68272.5657713257. The cubic root of 4661143237 is about 1670.4397514043.

The spelling of 4661143237 in words is "four billion, six hundred sixty-one million, one hundred forty-three thousand, two hundred thirty-seven".