42124344224047 has 2 divisors, whose sum is σ = 42124344224048. Its totient is φ = 42124344224046.

The previous prime is 42124344224029. The next prime is 42124344224077. The reversal of 42124344224047 is 74042244342124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42124344224047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42124344223994 and 42124344224012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42124344224077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062172112023 + 21062172112024.

It is an arithmetic number, because the mean of its divisors is an integer number (21062172112024).

Almost surely, 2^{42124344224047} is an apocalyptic number.

42124344224047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42124344224047 is an equidigital number, since it uses as much as digits as its factorization.

42124344224047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1376256, while the sum is 43.

The spelling of 42124344224047 in words is "forty-two trillion, one hundred twenty-four billion, three hundred forty-four million, two hundred twenty-four thousand, forty-seven".