42729110969 has 16 divisors (see below), whose sum is σ = 44628341520. Its totient is φ = 40869826560.

The previous prime is 42729110953. The next prime is 42729111031. The reversal of 42729110969 is 96901192724.

It can be written as a sum of positive squares in 8 ways, for example, as 174372025 + 42554738944 = 13205^2 + 206288^2 .

It is a cyclic number.

It is not a de Polignac number, because 42729110969 - 2⁴ = 42729110953 is a prime.

It is a super-2 number, since 2×42729110969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42729110909) 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 in 15 ways as a sum of consecutive naturals, for example, 5125997 + ... + 5134325.

It is an arithmetic number, because the mean of its divisors is an integer number (2789271345).

Almost surely, 2^42729110969 is an apocalyptic number.

It is an amenable number.

42729110969 is a deficient number, since it is larger than the sum of its proper divisors (1899230551).

42729110969 is a wasteful number, since it uses less digits than its factorization.

42729110969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 42729110969 in words is "forty-two billion, seven hundred twenty-nine million, one hundred ten thousand, nine hundred sixty-nine".