3687448309 has 16 divisors (see below), whose sum is σ = 3820608000. Its totient is φ = 3556929024.

The previous prime is 3687448241. The next prime is 3687448321. The reversal of 3687448309 is 9038447863.

It is a cyclic number.

It is not a de Polignac number, because 3687448309 - 2⁷ = 3687448181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687448409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017669 + ... + 1021285.

It is an arithmetic number, because the mean of its divisors is an integer number (238788000).

Almost surely, 2^3687448309 is an apocalyptic number.

It is an amenable number.

3687448309 is a deficient number, since it is larger than the sum of its proper divisors (133159691).

3687448309 is a wasteful number, since it uses less digits than its factorization.

3687448309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 3687448309 is about 60724.3633890056. The cubic root of 3687448309 is about 1544.9294325111.

The spelling of 3687448309 in words is "three billion, six hundred eighty-seven million, four hundred forty-eight thousand, three hundred nine".