42567953773 has 2 divisors, whose sum is σ = 42567953774. Its totient is φ = 42567953772.

The previous prime is 42567953741. The next prime is 42567953783. The reversal of 42567953773 is 37735976524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28144424169 + 14423529604 = 167763^2 + 120098^2 .

It is a cyclic number.

It is not a de Polignac number, because 42567953773 - 2⁵ = 42567953741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42567953783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283976886 + 21283976887.

It is an arithmetic number, because the mean of its divisors is an integer number (21283976887).

Almost surely, 2^42567953773 is an apocalyptic number.

It is an amenable number.

42567953773 is a deficient number, since it is larger than the sum of its proper divisors (1).

42567953773 is an equidigital number, since it uses as much as digits as its factorization.

42567953773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33339600, while the sum is 58.

The spelling of 42567953773 in words is "forty-two billion, five hundred sixty-seven million, nine hundred fifty-three thousand, seven hundred seventy-three".