3275780327749 has 4 divisors (see below), whose sum is σ = 3280971739360. Its totient is φ = 3270588916140.

The previous prime is 3275780327741. The next prime is 3275780327753. The reversal of 3275780327749 is 9477230875723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3275780327749 - 2³ = 3275780327741 is a prime.

It is a super-4 number, since 4×3275780327749⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3275780327741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2595704859 + ... + 2595706120.

It is an arithmetic number, because the mean of its divisors is an integer number (820242934840).

Almost surely, 2^{3275780327749} is an apocalyptic number.

It is an amenable number.

3275780327749 is a deficient number, since it is larger than the sum of its proper divisors (5191411611).

3275780327749 is an equidigital number, since it uses as much as digits as its factorization.

3275780327749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191411610.

The product of its (nonzero) digits is 124467840, while the sum is 64.

The spelling of 3275780327749 in words is "three trillion, two hundred seventy-five billion, seven hundred eighty million, three hundred twenty-seven thousand, seven hundred forty-nine".