42735030881 has 2 divisors, whose sum is σ = 42735030882. Its totient is φ = 42735030880.

The previous prime is 42735030859. The next prime is 42735030889. The reversal of 42735030881 is 18803053724.

42735030881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27163984225 + 15571046656 = 164815^2 + 124784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42735030881 is a prime.

It is a super-2 number, since 2×42735030881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42735030889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21367515440 + 21367515441.

It is an arithmetic number, because the mean of its divisors is an integer number (21367515441).

Almost surely, 2^42735030881 is an apocalyptic number.

It is an amenable number.

42735030881 is a deficient number, since it is larger than the sum of its proper divisors (1).

42735030881 is an equidigital number, since it uses as much as digits as its factorization.

42735030881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 42735030881 in words is "forty-two billion, seven hundred thirty-five million, thirty thousand, eight hundred eighty-one".