6198449399 has 2 divisors, whose sum is σ = 6198449400. Its totient is φ = 6198449398.

The previous prime is 6198449381. The next prime is 6198449417. The reversal of 6198449399 is 9939448916.

It is a balanced prime because it is at equal distance from previous prime (6198449381) and next prime (6198449417).

It is a cyclic number.

It is not a de Polignac number, because 6198449399 - 2⁸ = 6198449143 is a prime.

It is a super-2 number, since 2×6198449399² = 76841549903926922402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6198449359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099224699 + 3099224700.

It is an arithmetic number, because the mean of its divisors is an integer number (3099224700).

Almost surely, 2^6198449399 is an apocalyptic number.

6198449399 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198449399 is an equidigital number, since it uses as much as digits as its factorization.

6198449399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 62.

The square root of 6198449399 is about 78730.2317982108. The cubic root of 6198449399 is about 1836.9373870061.

The spelling of 6198449399 in words is "six billion, one hundred ninety-eight million, four hundred forty-nine thousand, three hundred ninety-nine".