3255601163729 has 2 divisors, whose sum is σ = 3255601163730. Its totient is φ = 3255601163728.

The previous prime is 3255601163723. The next prime is 3255601163743. The reversal of 3255601163729 is 9273611065523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3153916709329 + 101684454400 = 1775927^2 + 318880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3255601163729 - 2⁴ = 3255601163713 is a prime.

It is a super-4 number, since 4×3255601163729⁴ (a number of 51 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (3255601163723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627800581864 + 1627800581865.

It is an arithmetic number, because the mean of its divisors is an integer number (1627800581865).

Almost surely, 2^{3255601163729} is an apocalyptic number.

It is an amenable number.

3255601163729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3255601163729 is an equidigital number, since it uses as much as digits as its factorization.

3255601163729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 3255601163729 in words is "three trillion, two hundred fifty-five billion, six hundred one million, one hundred sixty-three thousand, seven hundred twenty-nine".