42053775737 has 2 divisors, whose sum is σ = 42053775738. Its totient is φ = 42053775736.

The previous prime is 42053775733. The next prime is 42053775767. The reversal of 42053775737 is 73757735024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25808743801 + 16245031936 = 160651^2 + 127456^2 .

It is a cyclic number.

It is not a de Polignac number, because 42053775737 - 2² = 42053775733 is a prime.

It is not a weakly prime, because it can be changed into another prime (42053775733) 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, 21026887868 + 21026887869.

It is an arithmetic number, because the mean of its divisors is an integer number (21026887869).

Almost surely, 2^42053775737 is an apocalyptic number.

It is an amenable number.

42053775737 is a deficient number, since it is larger than the sum of its proper divisors (1).

42053775737 is an equidigital number, since it uses as much as digits as its factorization.

42053775737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4321800, while the sum is 50.

The spelling of 42053775737 in words is "forty-two billion, fifty-three million, seven hundred seventy-five thousand, seven hundred thirty-seven".