3681369357 has 4 divisors (see below), whose sum is σ = 4908492480. Its totient is φ = 2454246236.

The previous prime is 3681369343. The next prime is 3681369403. The reversal of 3681369357 is 7539631863.

It is a happy number.

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 3681369357 - 2⁸ = 3681369101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681369457) 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, 613561557 + ... + 613561562.

It is an arithmetic number, because the mean of its divisors is an integer number (1227123120).

Almost surely, 2^3681369357 is an apocalyptic number.

It is an amenable number.

3681369357 is a deficient number, since it is larger than the sum of its proper divisors (1227123123).

3681369357 is a wasteful number, since it uses less digits than its factorization.

3681369357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227123122.

The product of its digits is 2449440, while the sum is 51.

The square root of 3681369357 is about 60674.2890934867. The cubic root of 3681369357 is about 1544.0799998203.

The spelling of 3681369357 in words is "three billion, six hundred eighty-one million, three hundred sixty-nine thousand, three hundred fifty-seven".