42404112929 has 2 divisors, whose sum is σ = 42404112930. Its totient is φ = 42404112928.

The previous prime is 42404112901. The next prime is 42404112953. The reversal of 42404112929 is 92921140424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23709840400 + 18694272529 = 153980^2 + 136727^2 .

It is a cyclic number.

It is not a de Polignac number, because 42404112929 - 2¹² = 42404108833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42404112892 and 42404112901.

It is not a weakly prime, because it can be changed into another prime (42404112629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202056464 + 21202056465.

It is an arithmetic number, because the mean of its divisors is an integer number (21202056465).

Almost surely, 2^42404112929 is an apocalyptic number.

It is an amenable number.

42404112929 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404112929 is an equidigital number, since it uses as much as digits as its factorization.

42404112929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 42404112929 in words is "forty-two billion, four hundred four million, one hundred twelve thousand, nine hundred twenty-nine".