1098694119 has 8 divisors (see below), whose sum is σ = 1488940912. Its totient is φ = 720455040.

The previous prime is 1098694117. The next prime is 1098694123. The reversal of 1098694119 is 9114968901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1098694119 - 2¹ = 1098694117 is a prime.

It is a super-2 number, since 2×1098694119² = 2414257534250372322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098694117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3001714 + ... + 3002079.

It is an arithmetic number, because the mean of its divisors is an integer number (186117614).

Almost surely, 2^1098694119 is an apocalyptic number.

1098694119 is a deficient number, since it is larger than the sum of its proper divisors (390246793).

1098694119 is an equidigital number, since it uses as much as digits as its factorization.

1098694119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003857.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 1098694119 is about 33146.5551603783. Note that the first 3 decimals coincide. The cubic root of 1098694119 is about 1031.8714582479.

The spelling of 1098694119 in words is "one billion, ninety-eight million, six hundred ninety-four thousand, one hundred nineteen".