3871288489369 has 4 divisors (see below), whose sum is σ = 4424329702144. Its totient is φ = 3318247276596.

The previous prime is 3871288489363. The next prime is 3871288489373. The reversal of 3871288489369 is 9639848821783.

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 3871288489369 - 2⁷ = 3871288489241 is a prime.

It is a super-2 number, since 2×3871288489369² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3871288489295 and 3871288489304.

It is not an unprimeable number, because it can be changed into a prime (3871288489363) 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, 276520606377 + ... + 276520606390.

It is an arithmetic number, because the mean of its divisors is an integer number (1106082425536).

Almost surely, 2^{3871288489369} is an apocalyptic number.

It is an amenable number.

3871288489369 is a deficient number, since it is larger than the sum of its proper divisors (553041212775).

3871288489369 is an equidigital number, since it uses as much as digits as its factorization.

3871288489369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553041212774.

The product of its digits is 1003290624, while the sum is 76.

The spelling of 3871288489369 in words is "three trillion, eight hundred seventy-one billion, two hundred eighty-eight million, four hundred eighty-nine thousand, three hundred sixty-nine".