3265287216391 has 2 divisors, whose sum is σ = 3265287216392. Its totient is φ = 3265287216390.

The previous prime is 3265287216341. The next prime is 3265287216397. The reversal of 3265287216391 is 1936127825623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3265287216391 - 2²⁷ = 3265152998663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3265287216397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632643608195 + 1632643608196.

It is an arithmetic number, because the mean of its divisors is an integer number (1632643608196).

Almost surely, 2^{3265287216391} is an apocalyptic number.

3265287216391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3265287216391 is an equidigital number, since it uses as much as digits as its factorization.

3265287216391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The spelling of 3265287216391 in words is "three trillion, two hundred sixty-five billion, two hundred eighty-seven million, two hundred sixteen thousand, three hundred ninety-one".