42861805318963 has 2 divisors, whose sum is σ = 42861805318964. Its totient is φ = 42861805318962.

The previous prime is 42861805318961. The next prime is 42861805319057. The reversal of 42861805318963 is 36981350816824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42861805318963 - 2¹ = 42861805318961 is a prime.

Together with 42861805318961, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42861805318895 and 42861805318904.

It is not a weakly prime, because it can be changed into another prime (42861805318961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21430902659481 + 21430902659482.

It is an arithmetic number, because the mean of its divisors is an integer number (21430902659482).

Almost surely, 2^{42861805318963} is an apocalyptic number.

42861805318963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42861805318963 is an equidigital number, since it uses as much as digits as its factorization.

42861805318963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 42861805318963 in words is "forty-two trillion, eight hundred sixty-one billion, eight hundred five million, three hundred eighteen thousand, nine hundred sixty-three".