42850450355519 has 2 divisors, whose sum is σ = 42850450355520. Its totient is φ = 42850450355518.

The previous prime is 42850450355431. The next prime is 42850450355521. The reversal of 42850450355519 is 91555305405824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42850450355519 is a prime.

It is a super-2 number, since 2×42850450355519² (a number of 28 digits) contains 22 as substring.

Together with 42850450355521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42850450355539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425225177759 + 21425225177760.

It is an arithmetic number, because the mean of its divisors is an integer number (21425225177760).

Almost surely, 2^{42850450355519} is an apocalyptic number.

42850450355519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850450355519 is an equidigital number, since it uses as much as digits as its factorization.

42850450355519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600000, while the sum is 56.

The spelling of 42850450355519 in words is "forty-two trillion, eight hundred fifty billion, four hundred fifty million, three hundred fifty-five thousand, five hundred nineteen".