42355135332373 has 2 divisors, whose sum is σ = 42355135332374. Its totient is φ = 42355135332372.

The previous prime is 42355135332347. The next prime is 42355135332449. The reversal of 42355135332373 is 37323353155324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34698968079889 + 7656167252484 = 5890583^2 + 2766978^2 .

It is a cyclic number.

It is not a de Polignac number, because 42355135332373 - 2³⁷ = 42217696378901 is a prime.

It is a super-2 number, since 2×42355135332373² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42355135332173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21177567666186 + 21177567666187.

It is an arithmetic number, because the mean of its divisors is an integer number (21177567666187).

Almost surely, 2^{42355135332373} is an apocalyptic number.

It is an amenable number.

42355135332373 is a deficient number, since it is larger than the sum of its proper divisors (1).

42355135332373 is an equidigital number, since it uses as much as digits as its factorization.

42355135332373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206000, while the sum is 49.

Adding to 42355135332373 its reverse (37323353155324), we get a palindrome (79678488487697).

The spelling of 42355135332373 in words is "forty-two trillion, three hundred fifty-five billion, one hundred thirty-five million, three hundred thirty-two thousand, three hundred seventy-three".