5998444261 has 2 divisors, whose sum is σ = 5998444262. Its totient is φ = 5998444260.

The previous prime is 5998444259. The next prime is 5998444313. The reversal of 5998444261 is 1624448995.

It is an a-pointer prime, because the next prime (5998444313) can be obtained adding 5998444261 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5681390625 + 317053636 = 75375^2 + 17806^2 .

It is a cyclic number.

It is not a de Polignac number, because 5998444261 - 2¹ = 5998444259 is a prime.

It is a super-2 number, since 2×5998444261² = 71962667104647672242, which contains 22 as substring.

Together with 5998444259, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5998444199 and 5998444208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5998444241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999222130 + 2999222131.

It is an arithmetic number, because the mean of its divisors is an integer number (2999222131).

Almost surely, 2^5998444261 is an apocalyptic number.

It is an amenable number.

5998444261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5998444261 is an equidigital number, since it uses as much as digits as its factorization.

5998444261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 52.

The square root of 5998444261 is about 77449.6240210371. The cubic root of 5998444261 is about 1816.9635256242.

The spelling of 5998444261 in words is "five billion, nine hundred ninety-eight million, four hundred forty-four thousand, two hundred sixty-one".