42340104533 has 2 divisors, whose sum is σ = 42340104534. Its totient is φ = 42340104532.

The previous prime is 42340104523. The next prime is 42340104577. The reversal of 42340104533 is 33540104324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32825467684 + 9514636849 = 181178^2 + 97543^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340104533 - 2⁴ = 42340104517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42340104496 and 42340104505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42340104523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21170052266 + 21170052267.

It is an arithmetic number, because the mean of its divisors is an integer number (21170052267).

Almost surely, 2^42340104533 is an apocalyptic number.

It is an amenable number.

42340104533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42340104533 is an equidigital number, since it uses as much as digits as its factorization.

42340104533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 42340104533 its reverse (33540104324), we get a palindrome (75880208857).

The spelling of 42340104533 in words is "forty-two billion, three hundred forty million, one hundred four thousand, five hundred thirty-three".