42709341029 has 2 divisors, whose sum is σ = 42709341030. Its totient is φ = 42709341028.

The previous prime is 42709341023. The next prime is 42709341041. The reversal of 42709341029 is 92014390724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32760276004 + 9949065025 = 180998^2 + 99745^2 .

It is a cyclic number.

It is not a de Polignac number, because 42709341029 - 2¹² = 42709336933 is a prime.

It is a super-3 number, since 3×42709341029³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42709341023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354670514 + 21354670515.

It is an arithmetic number, because the mean of its divisors is an integer number (21354670515).

Almost surely, 2^42709341029 is an apocalyptic number.

It is an amenable number.

42709341029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42709341029 is an equidigital number, since it uses as much as digits as its factorization.

42709341029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 42709341029 in words is "forty-two billion, seven hundred nine million, three hundred forty-one thousand, twenty-nine".