4871236129 has 2 divisors, whose sum is σ = 4871236130. Its totient is φ = 4871236128.

The previous prime is 4871236127. The next prime is 4871236157. The reversal of 4871236129 is 9216321784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4821913600 + 49322529 = 69440^2 + 7023^2 .

It is a cyclic number.

It is not a de Polignac number, because 4871236129 - 2¹ = 4871236127 is a prime.

Together with 4871236127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4871236127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435618064 + 2435618065.

It is an arithmetic number, because the mean of its divisors is an integer number (2435618065).

Almost surely, 2^4871236129 is an apocalyptic number.

It is an amenable number.

4871236129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871236129 is an equidigital number, since it uses as much as digits as its factorization.

4871236129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 4871236129 is about 69794.2413741993. The cubic root of 4871236129 is about 1695.1692302673.

The spelling of 4871236129 in words is "four billion, eight hundred seventy-one million, two hundred thirty-six thousand, one hundred twenty-nine".