42011179493 has 2 divisors, whose sum is σ = 42011179494. Its totient is φ = 42011179492.

The previous prime is 42011179481. The next prime is 42011179517. The reversal of 42011179493 is 39497111024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38682235684 + 3328943809 = 196678^2 + 57697^2 .

It is a cyclic number.

It is not a de Polignac number, because 42011179493 - 2⁴ = 42011179477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42011179493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42011179423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005589746 + 21005589747.

It is an arithmetic number, because the mean of its divisors is an integer number (21005589747).

Almost surely, 2^42011179493 is an apocalyptic number.

It is an amenable number.

42011179493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42011179493 is an equidigital number, since it uses as much as digits as its factorization.

42011179493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 42011179493 in words is "forty-two billion, eleven million, one hundred seventy-nine thousand, four hundred ninety-three".