3649299578596 has 135 divisors (see below), whose sum is σ = 7563894915003. Its totient is φ = 1540477209600.

The previous prime is 3649299578591. The next prime is 3649299578597. The reversal of 3649299578596 is 6958759929463.

The square root of 3649299578596 is 1910314.

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

It can be written as a sum of positive squares in 4 ways, for example, as 350949608100 + 3298349970496 = 592410^2 + 1816136^2 .

It is not an unprimeable number, because it can be changed into a prime (3649299578591) 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 44 ways as a sum of consecutive naturals, for example, 18908287876 + ... + 18908288068.

Almost surely, 2^{3649299578596} is an apocalyptic number.

3649299578596 is the 1910314-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3649299578596

3649299578596 is an abundant number, since it is smaller than the sum of its proper divisors (3914595336407).

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

3649299578596 is an frugal number, since it uses more digits than its factorization.

3649299578596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 303 counting only the distinct ones).

The product of its digits is 7936185600, while the sum is 82.

The spelling of 3649299578596 in words is "three trillion, six hundred forty-nine billion, two hundred ninety-nine million, five hundred seventy-eight thousand, five hundred ninety-six".