42929213069 has 2 divisors, whose sum is σ = 42929213070. Its totient is φ = 42929213068.

The previous prime is 42929212999. The next prime is 42929213081. The reversal of 42929213069 is 96031292924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29040590569 + 13888622500 = 170413^2 + 117850^2 .

It is a cyclic number.

It is not a de Polignac number, because 42929213069 - 2¹⁶ = 42929147533 is a prime.

It is a super-2 number, since 2×42929213069² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42929213869) 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, 21464606534 + 21464606535.

It is an arithmetic number, because the mean of its divisors is an integer number (21464606535).

Almost surely, 2^42929213069 is an apocalyptic number.

It is an amenable number.

42929213069 is a deficient number, since it is larger than the sum of its proper divisors (1).

42929213069 is an equidigital number, since it uses as much as digits as its factorization.

42929213069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 42929213069 in words is "forty-two billion, nine hundred twenty-nine million, two hundred thirteen thousand, sixty-nine".