412243142891 has 2 divisors, whose sum is σ = 412243142892. Its totient is φ = 412243142890.

The previous prime is 412243142837. The next prime is 412243142917. The reversal of 412243142891 is 198241342214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412243142891 - 2⁶ = 412243142827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (412243142821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206121571445 + 206121571446.

It is an arithmetic number, because the mean of its divisors is an integer number (206121571446).

Almost surely, 2^412243142891 is an apocalyptic number.

412243142891 is a deficient number, since it is larger than the sum of its proper divisors (1).

412243142891 is an equidigital number, since it uses as much as digits as its factorization.

412243142891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The spelling of 412243142891 in words is "four hundred twelve billion, two hundred forty-three million, one hundred forty-two thousand, eight hundred ninety-one".