3618969371 has 4 divisors (see below), whose sum is σ = 3716779392. Its totient is φ = 3521159352.

The previous prime is 3618969313. The next prime is 3618969377. The reversal of 3618969371 is 1739698163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1739698163 = 7 ⋅248528309.

It is a cyclic number.

It is not a de Polignac number, because 3618969371 - 2²² = 3614775067 is a prime.

It is a super-2 number, since 2×3618969371² = 26193878616472271282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618969377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48904955 + ... + 48905028.

It is an arithmetic number, because the mean of its divisors is an integer number (929194848).

Almost surely, 2^3618969371 is an apocalyptic number.

3618969371 is a deficient number, since it is larger than the sum of its proper divisors (97810021).

3618969371 is an equidigital number, since it uses as much as digits as its factorization.

3618969371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97810020.

The product of its digits is 1469664, while the sum is 53.

The square root of 3618969371 is about 60157.8703994747. The cubic root of 3618969371 is about 1535.3060778092.

The spelling of 3618969371 in words is "three billion, six hundred eighteen million, nine hundred sixty-nine thousand, three hundred seventy-one".