5198618417 has 2 divisors, whose sum is σ = 5198618418. Its totient is φ = 5198618416.

The previous prime is 5198618413. The next prime is 5198618459. The reversal of 5198618417 is 7148168915.

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., 3145078561 + 2053539856 = 56081^2 + 45316^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198618417 - 2² = 5198618413 is a prime.

It is not a weakly prime, because it can be changed into another prime (5198618413) 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, 2599309208 + 2599309209.

It is an arithmetic number, because the mean of its divisors is an integer number (2599309209).

Almost surely, 2^5198618417 is an apocalyptic number.

It is an amenable number.

5198618417 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198618417 is an equidigital number, since it uses as much as digits as its factorization.

5198618417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 50.

The square root of 5198618417 is about 72101.4453183846. The cubic root of 5198618417 is about 1732.3247636013.

The spelling of 5198618417 in words is "five billion, one hundred ninety-eight million, six hundred eighteen thousand, four hundred seventeen".