42846004602491 has 2 divisors, whose sum is σ = 42846004602492. Its totient is φ = 42846004602490.

The previous prime is 42846004602431. The next prime is 42846004602493. The reversal of 42846004602491 is 19420640064824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42846004602491 is a prime.

It is a super-2 number, since 2×42846004602491² (a number of 28 digits) contains 22 as substring.

Together with 42846004602493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42846004602493) 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, 21423002301245 + 21423002301246.

It is an arithmetic number, because the mean of its divisors is an integer number (21423002301246).

Almost surely, 2^{42846004602491} is an apocalyptic number.

42846004602491 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846004602491 is an equidigital number, since it uses as much as digits as its factorization.

42846004602491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 42846004602491 in words is "forty-two trillion, eight hundred forty-six billion, four million, six hundred two thousand, four hundred ninety-one".