2198530619 has 2 divisors, whose sum is σ = 2198530620. Its totient is φ = 2198530618.

The previous prime is 2198530583. The next prime is 2198530637. The reversal of 2198530619 is 9160358912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198530619 - 2¹² = 2198526523 is a prime.

It is a super-2 number, since 2×2198530619² = 9667073765361046322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2198530619.

It is not a weakly prime, because it can be changed into another prime (2198530699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099265309 + 1099265310.

It is an arithmetic number, because the mean of its divisors is an integer number (1099265310).

Almost surely, 2^2198530619 is an apocalyptic number.

2198530619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198530619 is an equidigital number, since it uses as much as digits as its factorization.

2198530619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 2198530619 is about 46888.4913278301. The cubic root of 2198530619 is about 1300.3018271566.

The spelling of 2198530619 in words is "two billion, one hundred ninety-eight million, five hundred thirty thousand, six hundred nineteen".