13033202001991 has 2 divisors, whose sum is σ = 13033202001992. Its totient is φ = 13033202001990.

The previous prime is 13033202001977. The next prime is 13033202002027. The reversal of 13033202001991 is 19910020233031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13033202001991 - 2⁵ = 13033202001959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13033202001901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516601000995 + 6516601000996.

It is an arithmetic number, because the mean of its divisors is an integer number (6516601000996).

Almost surely, 2^{13033202001991} is an apocalyptic number.

13033202001991 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033202001991 is an equidigital number, since it uses as much as digits as its factorization.

13033202001991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 13033202001991 in words is "thirteen trillion, thirty-three billion, two hundred two million, one thousand, nine hundred ninety-one".