2198415379 has 2 divisors, whose sum is σ = 2198415380. Its totient is φ = 2198415378.

The previous prime is 2198415353. The next prime is 2198415403. The reversal of 2198415379 is 9735148912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198415379 - 2¹¹ = 2198413331 is a prime.

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, 1099207689 + 1099207690.

It is an arithmetic number, because the mean of its divisors is an integer number (1099207690).

Almost surely, 2^2198415379 is an apocalyptic number.

2198415379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198415379 is an equidigital number, since it uses as much as digits as its factorization.

2198415379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 2198415379 is about 46887.2624387477. The cubic root of 2198415379 is about 1300.2791075275.

The spelling of 2198415379 in words is "two billion, one hundred ninety-eight million, four hundred fifteen thousand, three hundred seventy-nine".