3549926217216 has 160 divisors (see below), whose sum is σ = 10015292694528. Its totient is φ = 1113506611200.

The previous prime is 3549926217203. The next prime is 3549926217241. The reversal of 3549926217216 is 6127126299453.

It is a super-2 number, since 2×3549926217216² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243957141 + ... + 243971691.

Almost surely, 2^{3549926217216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3549926217216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007646347264).

3549926217216 is an abundant number, since it is smaller than the sum of its proper divisors (6465366477312).

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

3549926217216 is a wasteful number, since it uses less digits than its factorization.

3549926217216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23932 (or 23916 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 3549926217216 in words is "three trillion, five hundred forty-nine billion, nine hundred twenty-six million, two hundred seventeen thousand, two hundred sixteen".