109298431618 has 8 divisors (see below), whose sum is σ = 164006187660. Its totient is φ = 54629702400.

The previous prime is 109298431609. The next prime is 109298431643. The reversal of 109298431618 is 816134892901.

It can be written as a sum of positive squares in 2 ways, for example, as 105341140969 + 3957290649 = 324563^2 + 62907^2 .

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

It is a super-2 number, since 2×109298431618² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9749703 + ... + 9760906.

Almost surely, 2^109298431618 is an apocalyptic number.

109298431618 is a deficient number, since it is larger than the sum of its proper divisors (54707756042).

109298431618 is a wasteful number, since it uses less digits than its factorization.

109298431618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19513412.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 109298431618 in words is "one hundred nine billion, two hundred ninety-eight million, four hundred thirty-one thousand, six hundred eighteen".