3649445347612 has 6 divisors (see below), whose sum is σ = 6386529358328. Its totient is φ = 1824722673804.

The previous prime is 3649445347547. The next prime is 3649445347621. The reversal of 3649445347612 is 2167435449463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456180668448 + ... + 456180668455.

Almost surely, 2^{3649445347612} is an apocalyptic number.

It is an amenable number.

3649445347612 is a deficient number, since it is larger than the sum of its proper divisors (2737084010716).

3649445347612 is a wasteful number, since it uses less digits than its factorization.

3649445347612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912361336907 (or 912361336905 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 58.

The spelling of 3649445347612 in words is "three trillion, six hundred forty-nine billion, four hundred forty-five million, three hundred forty-seven thousand, six hundred twelve".