42420044002379 has 2 divisors, whose sum is σ = 42420044002380. Its totient is φ = 42420044002378.

The previous prime is 42420044002361. The next prime is 42420044002489. The reversal of 42420044002379 is 97320044002424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42420044002379 - 2¹⁶ = 42420043936843 is a prime.

It is not a weakly prime, because it can be changed into another prime (42420044002879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21210022001189 + 21210022001190.

It is an arithmetic number, because the mean of its divisors is an integer number (21210022001190).

Almost surely, 2^{42420044002379} is an apocalyptic number.

42420044002379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42420044002379 is an equidigital number, since it uses as much as digits as its factorization.

42420044002379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 42420044002379 in words is "forty-two trillion, four hundred twenty billion, forty-four million, two thousand, three hundred seventy-nine".