442431100011427 has 2 divisors, whose sum is σ = 442431100011428. Its totient is φ = 442431100011426.

The previous prime is 442431100011389. The next prime is 442431100011491. The reversal of 442431100011427 is 724110001134244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442431100011427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442431100011392 and 442431100011401.

It is not a weakly prime, because it can be changed into another prime (442431100011497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215550005713 + 221215550005714.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550005714).

Almost surely, 2^{442431100011427} is an apocalyptic number.

442431100011427 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100011427 is an equidigital number, since it uses as much as digits as its factorization.

442431100011427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 442431100011427 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, eleven thousand, four hundred twenty-seven".