3671820249 has 8 divisors (see below), whose sum is σ = 4946232480. Its totient is φ = 2422644096.

The previous prime is 3671820241. The next prime is 3671820253. The reversal of 3671820249 is 9420281763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3671820249 - 2³ = 3671820241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3671820249.

It is not an unprimeable number, because it can be changed into a prime (3671820241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308679 + ... + 6309260.

It is an arithmetic number, because the mean of its divisors is an integer number (618279060).

Almost surely, 2^3671820249 is an apocalyptic number.

It is an amenable number.

3671820249 is a deficient number, since it is larger than the sum of its proper divisors (1274412231).

3671820249 is a wasteful number, since it uses less digits than its factorization.

3671820249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618039.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 3671820249 is about 60595.5464452628. The cubic root of 3671820249 is about 1542.7437802131.

The spelling of 3671820249 in words is "three billion, six hundred seventy-one million, eight hundred twenty thousand, two hundred forty-nine".