42156063013 has 2 divisors, whose sum is σ = 42156063014. Its totient is φ = 42156063012.

The previous prime is 42156062999. The next prime is 42156063091. The reversal of 42156063013 is 31036065124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41504690529 + 651372484 = 203727^2 + 25522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42156063013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42156063413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21078031506 + 21078031507.

It is an arithmetic number, because the mean of its divisors is an integer number (21078031507).

Almost surely, 2^42156063013 is an apocalyptic number.

It is an amenable number.

42156063013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42156063013 is an equidigital number, since it uses as much as digits as its factorization.

42156063013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 42156063013 in words is "forty-two billion, one hundred fifty-six million, sixty-three thousand, thirteen".