6198019459 has 2 divisors, whose sum is σ = 6198019460. Its totient is φ = 6198019458.

The previous prime is 6198019411. The next prime is 6198019483. The reversal of 6198019459 is 9549108916.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6198019459 - 2¹⁷ = 6197888387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6198019489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099009729 + 3099009730.

It is an arithmetic number, because the mean of its divisors is an integer number (3099009730).

Almost surely, 2^6198019459 is an apocalyptic number.

6198019459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198019459 is an equidigital number, since it uses as much as digits as its factorization.

6198019459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 6198019459 is about 78727.5012876695. The cubic root of 6198019459 is about 1836.8949144956.

The spelling of 6198019459 in words is "six billion, one hundred ninety-eight million, nineteen thousand, four hundred fifty-nine".