1383181294618 has 8 divisors (see below), whose sum is σ = 2079700142580. Its totient is φ = 689947913760.

The previous prime is 1383181294601. The next prime is 1383181294643. The reversal of 1383181294618 is 8164921813831.

It can be written as a sum of positive squares in 2 ways, for example, as 1289775876489 + 93405418129 = 1135683^2 + 305623^2 .

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

It is a super-2 number, since 2×1383181294618² (a number of 25 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, 821365723 + ... + 821367406.

Almost surely, 2^{1383181294618} is an apocalyptic number.

1383181294618 is a deficient number, since it is larger than the sum of its proper divisors (696518847962).

1383181294618 is a wasteful number, since it uses less digits than its factorization.

1383181294618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642733552.

The product of its digits is 1990656, while the sum is 55.

The spelling of 1383181294618 in words is "one trillion, three hundred eighty-three billion, one hundred eighty-one million, two hundred ninety-four thousand, six hundred eighteen".