2742525121691 has 2 divisors, whose sum is σ = 2742525121692. Its totient is φ = 2742525121690.

The previous prime is 2742525121681. The next prime is 2742525121723. The reversal of 2742525121691 is 1961215252472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2742525121691 - 2⁶ = 2742525121627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2742525121631) 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, 1371262560845 + 1371262560846.

It is an arithmetic number, because the mean of its divisors is an integer number (1371262560846).

Almost surely, 2^{2742525121691} is an apocalyptic number.

2742525121691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742525121691 is an equidigital number, since it uses as much as digits as its factorization.

2742525121691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The spelling of 2742525121691 in words is "two trillion, seven hundred forty-two billion, five hundred twenty-five million, one hundred twenty-one thousand, six hundred ninety-one".