42743814851 has 2 divisors, whose sum is σ = 42743814852. Its totient is φ = 42743814850.

The previous prime is 42743814739. The next prime is 42743814863. The reversal of 42743814851 is 15841834724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42743814851 - 2¹⁴ = 42743798467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42743814796 and 42743814805.

It is not a weakly prime, because it can be changed into another prime (42743814881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21371907425 + 21371907426.

It is an arithmetic number, because the mean of its divisors is an integer number (21371907426).

Almost surely, 2^42743814851 is an apocalyptic number.

42743814851 is a deficient number, since it is larger than the sum of its proper divisors (1).

42743814851 is an equidigital number, since it uses as much as digits as its factorization.

42743814851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 47.

The spelling of 42743814851 in words is "forty-two billion, seven hundred forty-three million, eight hundred fourteen thousand, eight hundred fifty-one".