3292747755649 has 9 divisors (see below), whose sum is σ = 3619323192289. Its totient is φ = 2993388904660.

The previous prime is 3292747755581. The next prime is 3292747755679. The reversal of 3292747755649 is 9465577472923.

The square root of 3292747755649 is 1814593.

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

It is not a de Polignac number, because 3292747755649 - 2¹⁵ = 3292747722881 is a prime.

It is a super-2 number, since 2×3292747755649² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3292747755679) 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, 19878042 + ... + 20043004.

Almost surely, 2^{3292747755649} is an apocalyptic number.

3292747755649 is the 1814593-rd square number.

3292747755649 is the 907297-th centered octagonal number.

It is an amenable number.

3292747755649 is a deficient number, since it is larger than the sum of its proper divisors (326575436640).

3292747755649 is an frugal number, since it uses more digits than its factorization.

3292747755649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329948 (or 164974 counting only the distinct ones).

The product of its digits is 800150400, while the sum is 70.

The spelling of 3292747755649 in words is "three trillion, two hundred ninety-two billion, seven hundred forty-seven million, seven hundred fifty-five thousand, six hundred forty-nine".