412442521691 has 2 divisors, whose sum is σ = 412442521692. Its totient is φ = 412442521690.

The previous prime is 412442521657. The next prime is 412442521703. The reversal of 412442521691 is 196125244214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412442521691 - 2³⁴ = 395262652507 is a prime.

It is not a weakly prime, because it can be changed into another prime (412442521391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206221260845 + 206221260846.

It is an arithmetic number, because the mean of its divisors is an integer number (206221260846).

Almost surely, 2^412442521691 is an apocalyptic number.

412442521691 is a deficient number, since it is larger than the sum of its proper divisors (1).

412442521691 is an equidigital number, since it uses as much as digits as its factorization.

412442521691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The spelling of 412442521691 in words is "four hundred twelve billion, four hundred forty-two million, five hundred twenty-one thousand, six hundred ninety-one".