1386893833618 has 8 divisors (see below), whose sum is σ = 2108838569148. Its totient is φ = 683947643904.

The previous prime is 1386893833609. The next prime is 1386893833639. The reversal of 1386893833618 is 8163383986831.

It can be written as a sum of positive squares in 2 ways, for example, as 1342175541529 + 44718292089 = 1158523^2 + 211467^2 .

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

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, 4749636271 + ... + 4749636562.

Almost surely, 2^{1386893833618} is an apocalyptic number.

1386893833618 is a deficient number, since it is larger than the sum of its proper divisors (721944735530).

1386893833618 is an equidigital number, since it uses as much as digits as its factorization.

1386893833618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499272908.

The product of its digits is 107495424, while the sum is 67.

The spelling of 1386893833618 in words is "one trillion, three hundred eighty-six billion, eight hundred ninety-three million, eight hundred thirty-three thousand, six hundred eighteen".