2091276601 has 2 divisors, whose sum is σ = 2091276602. Its totient is φ = 2091276600.

The previous prime is 2091276599. The next prime is 2091276611. The reversal of 2091276601 is 1066721902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120642576 + 970634025 = 33476^2 + 31155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091276601 - 2¹ = 2091276599 is a prime.

It is a super-2 number, since 2×2091276601² = 8746875643780226402, which contains 22 as substring.

Together with 2091276599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2091276611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045638300 + 1045638301.

It is an arithmetic number, because the mean of its divisors is an integer number (1045638301).

Almost surely, 2^2091276601 is an apocalyptic number.

It is an amenable number.

2091276601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091276601 is an equidigital number, since it uses as much as digits as its factorization.

2091276601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2091276601 is about 45730.4778129422. The cubic root of 2091276601 is about 1278.8035289689.

The spelling of 2091276601 in words is "two billion, ninety-one million, two hundred seventy-six thousand, six hundred one".