42864783359969 has 2 divisors, whose sum is σ = 42864783359970. Its totient is φ = 42864783359968.

The previous prime is 42864783359963. The next prime is 42864783360059. The reversal of 42864783359969 is 96995338746824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38085400367569 + 4779382992400 = 6171337^2 + 2186180^2 .

It is a cyclic number.

It is not a de Polignac number, because 42864783359969 - 2¹² = 42864783355873 is a prime.

It is a super-2 number, since 2×42864783359969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42864783359963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21432391679984 + 21432391679985.

It is an arithmetic number, because the mean of its divisors is an integer number (21432391679985).

Almost surely, 2^{42864783359969} is an apocalyptic number.

It is an amenable number.

42864783359969 is a deficient number, since it is larger than the sum of its proper divisors (1).

42864783359969 is an equidigital number, since it uses as much as digits as its factorization.

42864783359969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16930529280, while the sum is 83.

The spelling of 42864783359969 in words is "forty-two trillion, eight hundred sixty-four billion, seven hundred eighty-three million, three hundred fifty-nine thousand, nine hundred sixty-nine".