42143122320379 has 2 divisors, whose sum is σ = 42143122320380. Its totient is φ = 42143122320378.

The previous prime is 42143122320349. The next prime is 42143122320421. The reversal of 42143122320379 is 97302322134124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42143122320379 - 2⁵ = 42143122320347 is a prime.

It is not a weakly prime, because it can be changed into another prime (42143122320349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071561160189 + 21071561160190.

It is an arithmetic number, because the mean of its divisors is an integer number (21071561160190).

Almost surely, 2^{42143122320379} is an apocalyptic number.

42143122320379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143122320379 is an equidigital number, since it uses as much as digits as its factorization.

42143122320379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 42143122320379 in words is "forty-two trillion, one hundred forty-three billion, one hundred twenty-two million, three hundred twenty thousand, three hundred seventy-nine".