3249535741891 has 2 divisors, whose sum is σ = 3249535741892. Its totient is φ = 3249535741890.

The previous prime is 3249535741853. The next prime is 3249535742051. The reversal of 3249535741891 is 1981475359423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3249535741891 - 2⁷ = 3249535741763 is a prime.

It is not a weakly prime, because it can be changed into another prime (3249535741831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624767870945 + 1624767870946.

It is an arithmetic number, because the mean of its divisors is an integer number (1624767870946).

Almost surely, 2^{3249535741891} is an apocalyptic number.

3249535741891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249535741891 is an equidigital number, since it uses as much as digits as its factorization.

3249535741891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32659200, while the sum is 61.

The spelling of 3249535741891 in words is "three trillion, two hundred forty-nine billion, five hundred thirty-five million, seven hundred forty-one thousand, eight hundred ninety-one".