3264912906649 has 9 divisors (see below), whose sum is σ = 3269855036223. Its totient is φ = 3259978243632.

The previous prime is 3264912906641. The next prime is 3264912906667. The reversal of 3264912906649 is 9466092194623.

The square root of 3264912906649 is 1806907.

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., 3192271876249 + 72641030400 = 1786693^2 + 269520^2 .

It is not a de Polignac number, because 3264912906649 - 2³ = 3264912906641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3264912906641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2029155757 + ... + 2029157365.

It is an arithmetic number, because the mean of its divisors is an integer number (363317226247).

Almost surely, 2^{3264912906649} is an apocalyptic number.

3264912906649 is the 1806907-th square number.

3264912906649 is the 903454-th centered octagonal number.

It is an amenable number.

3264912906649 is a deficient number, since it is larger than the sum of its proper divisors (4942129574).

3264912906649 is an frugal number, since it uses more digits than its factorization.

3264912906649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 3264912906649 in words is "three trillion, two hundred sixty-four billion, nine hundred twelve million, nine hundred six thousand, six hundred forty-nine".