1042661489767 has 2 divisors, whose sum is σ = 1042661489768. Its totient is φ = 1042661489766.

The previous prime is 1042661489761. The next prime is 1042661489797. The reversal of 1042661489767 is 7679841662401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042661489767 - 2³ = 1042661489759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042661489761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521330744883 + 521330744884.

It is an arithmetic number, because the mean of its divisors is an integer number (521330744884).

Almost surely, 2^{1042661489767} is an apocalyptic number.

1042661489767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042661489767 is an equidigital number, since it uses as much as digits as its factorization.

1042661489767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 1042661489767 in words is "one trillion, forty-two billion, six hundred sixty-one million, four hundred eighty-nine thousand, seven hundred sixty-seven".