3671545989648 has 80 divisors (see below), whose sum is σ = 9891725666816. Its totient is φ = 1172159631360.

The previous prime is 3671545989599. The next prime is 3671545989677. The reversal of 3671545989648 is 8469895451763.

It is a self number, because there is not a number n which added to its sum of digits gives 3671545989648.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12574411 + ... + 12863082.

Almost surely, 2^{3671545989648} is an apocalyptic number.

It is an amenable number.

3671545989648 is an abundant number, since it is smaller than the sum of its proper divisors (6220179677168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3671545989648 is a wasteful number, since it uses less digits than its factorization.

3671545989648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25437632 (or 25437626 counting only the distinct ones).

The product of its digits is 1567641600, while the sum is 75.

The spelling of 3671545989648 in words is "three trillion, six hundred seventy-one billion, five hundred forty-five million, nine hundred eighty-nine thousand, six hundred forty-eight".