5618129459 has 2 divisors, whose sum is σ = 5618129460. Its totient is φ = 5618129458.

The previous prime is 5618129401. The next prime is 5618129497. The reversal of 5618129459 is 9549218165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5618129459 - 2¹² = 5618125363 is a prime.

It is not a weakly prime, because it can be changed into another prime (5618129159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809064729 + 2809064730.

It is an arithmetic number, because the mean of its divisors is an integer number (2809064730).

Almost surely, 2^5618129459 is an apocalyptic number.

5618129459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618129459 is an equidigital number, since it uses as much as digits as its factorization.

5618129459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 50.

The square root of 5618129459 is about 74954.1823983158. The cubic root of 5618129459 is about 1777.7222748313.

The spelling of 5618129459 in words is "five billion, six hundred eighteen million, one hundred twenty-nine thousand, four hundred fifty-nine".