42705702029 has 2 divisors, whose sum is σ = 42705702030. Its totient is φ = 42705702028.

The previous prime is 42705701981. The next prime is 42705702043. The reversal of 42705702029 is 92020750724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25121616004 + 17584086025 = 158498^2 + 132605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42705702029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42705701983 and 42705702001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42705708029) 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, 21352851014 + 21352851015.

It is an arithmetic number, because the mean of its divisors is an integer number (21352851015).

Almost surely, 2^42705702029 is an apocalyptic number.

It is an amenable number.

42705702029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42705702029 is an equidigital number, since it uses as much as digits as its factorization.

42705702029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 42705702029 in words is "forty-two billion, seven hundred five million, seven hundred two thousand, twenty-nine".