1618013841383 has 4 divisors (see below), whose sum is σ = 1618074931920. Its totient is φ = 1617952750848.

The previous prime is 1618013841349. The next prime is 1618013841407. The reversal of 1618013841383 is 3831483108161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1618013841383 - 2¹² = 1618013837287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618013840383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30505523 + ... + 30558516.

It is an arithmetic number, because the mean of its divisors is an integer number (404518732980).

Almost surely, 2^{1618013841383} is an apocalyptic number.

1618013841383 is a deficient number, since it is larger than the sum of its proper divisors (61090537).

1618013841383 is an equidigital number, since it uses as much as digits as its factorization.

1618013841383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61090536.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1618013841383 in words is "one trillion, six hundred eighteen billion, thirteen million, eight hundred forty-one thousand, three hundred eighty-three".