1883438109489 has 4 divisors (see below), whose sum is σ = 2511250812656. Its totient is φ = 1255625406324.

The previous prime is 1883438109451. The next prime is 1883438109529. The reversal of 1883438109489 is 9849018343881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1883438109489 - 2⁸ = 1883438109233 is a prime.

It is a super-2 number, since 2×1883438109489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1883438109389) 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, 313906351579 + ... + 313906351584.

It is an arithmetic number, because the mean of its divisors is an integer number (627812703164).

Almost surely, 2^{1883438109489} is an apocalyptic number.

It is an amenable number.

1883438109489 is a deficient number, since it is larger than the sum of its proper divisors (627812703167).

1883438109489 is an equidigital number, since it uses as much as digits as its factorization.

1883438109489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627812703166.

The product of its (nonzero) digits is 47775744, while the sum is 66.

The spelling of 1883438109489 in words is "one trillion, eight hundred eighty-three billion, four hundred thirty-eight million, one hundred nine thousand, four hundred eighty-nine".