5018782129 has 2 divisors, whose sum is σ = 5018782130. Its totient is φ = 5018782128.

The previous prime is 5018782127. The next prime is 5018782133. The reversal of 5018782129 is 9212878105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4115479104 + 903303025 = 64152^2 + 30055^2 .

It is a cyclic number.

It is not a de Polignac number, because 5018782129 - 2¹ = 5018782127 is a prime.

It is a super-3 number, since 3×5018782129³ (a number of 30 digits) contains 333 as substring.

Together with 5018782127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5018782127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509391064 + 2509391065.

It is an arithmetic number, because the mean of its divisors is an integer number (2509391065).

Almost surely, 2^5018782129 is an apocalyptic number.

It is an amenable number.

5018782129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5018782129 is an equidigital number, since it uses as much as digits as its factorization.

5018782129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 5018782129 is about 70843.3633377185. The cubic root of 5018782129 is about 1712.1144038436.

The spelling of 5018782129 in words is "five billion, eighteen million, seven hundred eighty-two thousand, one hundred twenty-nine".