2961784690091 has 2 divisors, whose sum is σ = 2961784690092. Its totient is φ = 2961784690090.

The previous prime is 2961784690027. The next prime is 2961784690097. The reversal of 2961784690091 is 1900964871692.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2961784690091 - 2⁶ = 2961784690027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2961784690097) 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, 1480892345045 + 1480892345046.

It is an arithmetic number, because the mean of its divisors is an integer number (1480892345046).

Almost surely, 2^{2961784690091} is an apocalyptic number.

2961784690091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961784690091 is an equidigital number, since it uses as much as digits as its factorization.

2961784690091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 2961784690091 in words is "two trillion, nine hundred sixty-one billion, seven hundred eighty-four million, six hundred ninety thousand, ninety-one".