42587544941 has 2 divisors, whose sum is σ = 42587544942. Its totient is φ = 42587544940.

The previous prime is 42587544929. The next prime is 42587544983. The reversal of 42587544941 is 14944578524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27149482441 + 15438062500 = 164771^2 + 124250^2 .

It is a cyclic number.

It is not a de Polignac number, because 42587544941 - 2¹⁰ = 42587543917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42587544341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21293772470 + 21293772471.

It is an arithmetic number, because the mean of its divisors is an integer number (21293772471).

Almost surely, 2^42587544941 is an apocalyptic number.

It is an amenable number.

42587544941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42587544941 is an equidigital number, since it uses as much as digits as its factorization.

42587544941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 53.

The spelling of 42587544941 in words is "forty-two billion, five hundred eighty-seven million, five hundred forty-four thousand, nine hundred forty-one".