42433261653073 has 2 divisors, whose sum is σ = 42433261653074. Its totient is φ = 42433261653072.

The previous prime is 42433261653061. The next prime is 42433261653131. The reversal of 42433261653073 is 37035616233424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41281357453249 + 1151904199824 = 6425057^2 + 1073268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42433261653073 is a prime.

It is a super-2 number, since 2×42433261653073² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42433261653173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216630826536 + 21216630826537.

It is an arithmetic number, because the mean of its divisors is an integer number (21216630826537).

Almost surely, 2^{42433261653073} is an apocalyptic number.

It is an amenable number.

42433261653073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433261653073 is an equidigital number, since it uses as much as digits as its factorization.

42433261653073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 49.

Adding to 42433261653073 its reverse (37035616233424), we get a palindrome (79468877886497).

The spelling of 42433261653073 in words is "forty-two trillion, four hundred thirty-three billion, two hundred sixty-one million, six hundred fifty-three thousand, seventy-three".