42646743011 has 2 divisors, whose sum is σ = 42646743012. Its totient is φ = 42646743010.

The previous prime is 42646742993. The next prime is 42646743091. The reversal of 42646743011 is 11034764624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42646743011 - 2¹⁰ = 42646741987 is a prime.

It is a super-2 number, since 2×42646743011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42646743091) 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 as a sum of consecutive naturals, namely, 21323371505 + 21323371506.

It is an arithmetic number, because the mean of its divisors is an integer number (21323371506).

Almost surely, 2^42646743011 is an apocalyptic number.

42646743011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42646743011 is an equidigital number, since it uses as much as digits as its factorization.

42646743011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 42646743011 in words is "forty-two billion, six hundred forty-six million, seven hundred forty-three thousand, eleven".