2198455349 has 2 divisors, whose sum is σ = 2198455350. Its totient is φ = 2198455348.

The previous prime is 2198455331. The next prime is 2198455373. The reversal of 2198455349 is 9435548912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2135364100 + 63091249 = 46210^2 + 7943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198455349 - 2⁸ = 2198455093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2198455297 and 2198455306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198455379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099227674 + 1099227675.

It is an arithmetic number, because the mean of its divisors is an integer number (1099227675).

Almost surely, 2^2198455349 is an apocalyptic number.

It is an amenable number.

2198455349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198455349 is an equidigital number, since it uses as much as digits as its factorization.

2198455349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 2198455349 is about 46887.6886719744. The cubic root of 2198455349 is about 1300.2869877248.

The spelling of 2198455349 in words is "two billion, one hundred ninety-eight million, four hundred fifty-five thousand, three hundred forty-nine".