2091309022001 has 4 divisors (see below), whose sum is σ = 2092719211632. Its totient is φ = 2089898832372.

The previous prime is 2091309021811. The next prime is 2091309022051. The reversal of 2091309022001 is 1002209031902.

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 a de Polignac number, because none of the positive numbers 2^k-2091309022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091309022051) 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, 705092591 + ... + 705095556.

It is an arithmetic number, because the mean of its divisors is an integer number (523179802908).

Almost surely, 2^{2091309022001} is an apocalyptic number.

It is an amenable number.

2091309022001 is a deficient number, since it is larger than the sum of its proper divisors (1410189631).

2091309022001 is a wasteful number, since it uses less digits than its factorization.

2091309022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410189630.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 2091309022001 in words is "two trillion, ninety-one billion, three hundred nine million, twenty-two thousand, one".