1042807589429 has 2 divisors, whose sum is σ = 1042807589430. Its totient is φ = 1042807589428.

The previous prime is 1042807589401. The next prime is 1042807589489. The reversal of 1042807589429 is 9249857082401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633732221329 + 409075368100 = 796073^2 + 639590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042807589429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042807589489) 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, 521403794714 + 521403794715.

It is an arithmetic number, because the mean of its divisors is an integer number (521403794715).

Almost surely, 2^{1042807589429} is an apocalyptic number.

It is an amenable number.

1042807589429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042807589429 is an equidigital number, since it uses as much as digits as its factorization.

1042807589429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 1042807589429 in words is "one trillion, forty-two billion, eight hundred seven million, five hundred eighty-nine thousand, four hundred twenty-nine".