42212061757 has 2 divisors, whose sum is σ = 42212061758. Its totient is φ = 42212061756.

The previous prime is 42212061739. The next prime is 42212061767. The reversal of 42212061757 is 75716021224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42144394681 + 67667076 = 205291^2 + 8226^2 .

It is a cyclic number.

It is not a de Polignac number, because 42212061757 - 2³⁵ = 7852323389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42212061767) 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, 21106030878 + 21106030879.

It is an arithmetic number, because the mean of its divisors is an integer number (21106030879).

Almost surely, 2^42212061757 is an apocalyptic number.

It is an amenable number.

42212061757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42212061757 is an equidigital number, since it uses as much as digits as its factorization.

42212061757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 42212061757 in words is "forty-two billion, two hundred twelve million, sixty-one thousand, seven hundred fifty-seven".