2001097926799 has 2 divisors, whose sum is σ = 2001097926800. Its totient is φ = 2001097926798.

The previous prime is 2001097926721. The next prime is 2001097926829. The reversal of 2001097926799 is 9976297901002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001097926799 - 2²⁷ = 2000963709071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001097921799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000548963399 + 1000548963400.

It is an arithmetic number, because the mean of its divisors is an integer number (1000548963400).

Almost surely, 2^{2001097926799} is an apocalyptic number.

2001097926799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001097926799 is an equidigital number, since it uses as much as digits as its factorization.

2001097926799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7715736, while the sum is 61.

The spelling of 2001097926799 in words is "two trillion, one billion, ninety-seven million, nine hundred twenty-six thousand, seven hundred ninety-nine".