2086695087641 has 2 divisors, whose sum is σ = 2086695087642. Its totient is φ = 2086695087640.

The previous prime is 2086695087623. The next prime is 2086695087649. The reversal of 2086695087641 is 1467805966802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2073240015625 + 13455072016 = 1439875^2 + 115996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086695087641 - 2⁶ = 2086695087577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2086695087649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043347543820 + 1043347543821.

It is an arithmetic number, because the mean of its divisors is an integer number (1043347543821).

Almost surely, 2^{2086695087641} is an apocalyptic number.

It is an amenable number.

2086695087641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086695087641 is an equidigital number, since it uses as much as digits as its factorization.

2086695087641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 2086695087641 in words is "two trillion, eighty-six billion, six hundred ninety-five million, eighty-seven thousand, six hundred forty-one".