1098671719 has 2 divisors, whose sum is σ = 1098671720. Its totient is φ = 1098671718.

The previous prime is 1098671701. The next prime is 1098671729. The reversal of 1098671719 is 9171768901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1098671719 - 2⁵ = 1098671687 is a prime.

It is a super-2 number, since 2×1098671719² = 2414159092260829922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098671729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549335859 + 549335860.

It is an arithmetic number, because the mean of its divisors is an integer number (549335860).

Almost surely, 2^1098671719 is an apocalyptic number.

1098671719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098671719 is an equidigital number, since it uses as much as digits as its factorization.

1098671719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 49.

The square root of 1098671719 is about 33146.2172653231. The cubic root of 1098671719 is about 1031.8644456568.

The spelling of 1098671719 in words is "one billion, ninety-eight million, six hundred seventy-one thousand, seven hundred nineteen".