42122003243963 has 2 divisors, whose sum is σ = 42122003243964. Its totient is φ = 42122003243962.

The previous prime is 42122003243893. The next prime is 42122003244031. The reversal of 42122003243963 is 36934230022124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42122003243963 - 2¹⁸ = 42122002981819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42122003243963.

It is not a weakly prime, because it can be changed into another prime (42122003243863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21061001621981 + 21061001621982.

It is an arithmetic number, because the mean of its divisors is an integer number (21061001621982).

Almost surely, 2^{42122003243963} is an apocalyptic number.

42122003243963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42122003243963 is an equidigital number, since it uses as much as digits as its factorization.

42122003243963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 42122003243963 in words is "forty-two trillion, one hundred twenty-two billion, three million, two hundred forty-three thousand, nine hundred sixty-three".