42850471024891 has 2 divisors, whose sum is σ = 42850471024892. Its totient is φ = 42850471024890.

The previous prime is 42850471024853. The next prime is 42850471024909. The reversal of 42850471024891 is 19842017405824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42850471024891 - 2¹⁵ = 42850470992123 is a prime.

It is a super-3 number, since 3×42850471024891³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42850471024841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425235512445 + 21425235512446.

It is an arithmetic number, because the mean of its divisors is an integer number (21425235512446).

Almost surely, 2^{42850471024891} is an apocalyptic number.

42850471024891 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850471024891 is an equidigital number, since it uses as much as digits as its factorization.

42850471024891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 42850471024891 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy-one million, twenty-four thousand, eight hundred ninety-one".