3869321137 has 4 divisors (see below), whose sum is σ = 4221077616. Its totient is φ = 3517564660.

The previous prime is 3869321129. The next prime is 3869321147. The reversal of 3869321137 is 7311239683.

It is a happy number.

3869321137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 3869321137 - 2³ = 3869321129 is a prime.

It is a super-3 number, since 3×3869321137³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3869321093 and 3869321102.

It is not an unprimeable number, because it can be changed into a prime (3869321147) 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, 175878223 + ... + 175878244.

It is an arithmetic number, because the mean of its divisors is an integer number (1055269404).

Almost surely, 2^3869321137 is an apocalyptic number.

It is an amenable number.

3869321137 is a deficient number, since it is larger than the sum of its proper divisors (351756479).

3869321137 is a wasteful number, since it uses less digits than its factorization.

3869321137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351756478.

The product of its digits is 163296, while the sum is 43.

The square root of 3869321137 is about 62203.8675405316. The cubic root of 3869321137 is about 1569.9226620186.

The spelling of 3869321137 in words is "three billion, eight hundred sixty-nine million, three hundred twenty-one thousand, one hundred thirty-seven".