42402324420433 has 2 divisors, whose sum is σ = 42402324420434. Its totient is φ = 42402324420432.

The previous prime is 42402324420383. The next prime is 42402324420457. The reversal of 42402324420433 is 33402442320424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25706045832769 + 16696278587664 = 5070113^2 + 4086108^2 .

It is a cyclic number.

It is not a de Polignac number, because 42402324420433 - 2¹³ = 42402324412241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402324420392 and 42402324420401.

It is not a weakly prime, because it can be changed into another prime (42402324420133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201162210216 + 21201162210217.

It is an arithmetic number, because the mean of its divisors is an integer number (21201162210217).

Almost surely, 2^{42402324420433} is an apocalyptic number.

It is an amenable number.

42402324420433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42402324420433 is an equidigital number, since it uses as much as digits as its factorization.

42402324420433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 42402324420433 its reverse (33402442320424), we get a palindrome (75804766740857).

The spelling of 42402324420433 in words is "forty-two trillion, four hundred two billion, three hundred twenty-four million, four hundred twenty thousand, four hundred thirty-three".