3549802664464 has 45 divisors (see below), whose sum is σ = 8000758325037. Its totient is φ = 1521321389952.

The previous prime is 3549802664449. The next prime is 3549802664539. The reversal of 3549802664464 is 4644662089453.

The square root of 3549802664464 is 1884092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 290189070864 + 3259613593600 = 538692^2 + 1805440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52720932 + ... + 52788220.

Almost surely, 2^{3549802664464} is an apocalyptic number.

3549802664464 is the 1884092-nd square number.

It is an amenable number.

3549802664464 is an abundant number, since it is smaller than the sum of its proper divisors (4450955660573).

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

3549802664464 is an frugal number, since it uses more digits than its factorization.

3549802664464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134600 (or 67298 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 61.

The spelling of 3549802664464 in words is "three trillion, five hundred forty-nine billion, eight hundred two million, six hundred sixty-four thousand, four hundred sixty-four".