42917457733 has 2 divisors, whose sum is σ = 42917457734. Its totient is φ = 42917457732.

The previous prime is 42917457731. The next prime is 42917457749. The reversal of 42917457733 is 33775471924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42560927809 + 356529924 = 206303^2 + 18882^2 .

It is a cyclic number.

It is not a de Polignac number, because 42917457733 - 2¹ = 42917457731 is a prime.

Together with 42917457731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42917457731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21458728866 + 21458728867.

It is an arithmetic number, because the mean of its divisors is an integer number (21458728867).

Almost surely, 2^42917457733 is an apocalyptic number.

It is an amenable number.

42917457733 is a deficient number, since it is larger than the sum of its proper divisors (1).

42917457733 is an equidigital number, since it uses as much as digits as its factorization.

42917457733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 52.

The spelling of 42917457733 in words is "forty-two billion, nine hundred seventeen million, four hundred fifty-seven thousand, seven hundred thirty-three".