6198123427 has 2 divisors, whose sum is σ = 6198123428. Its totient is φ = 6198123426.

The previous prime is 6198123403. The next prime is 6198123457. The reversal of 6198123427 is 7243218916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6198123427 - 2¹⁵ = 6198090659 is a prime.

It is not a weakly prime, because it can be changed into another prime (6198123457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099061713 + 3099061714.

It is an arithmetic number, because the mean of its divisors is an integer number (3099061714).

Almost surely, 2^6198123427 is an apocalyptic number.

6198123427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198123427 is an equidigital number, since it uses as much as digits as its factorization.

6198123427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 6198123427 is about 78728.1615878334. The cubic root of 6198123427 is about 1836.9051853692.

The spelling of 6198123427 in words is "six billion, one hundred ninety-eight million, one hundred twenty-three thousand, four hundred twenty-seven".