42335435969 has 4 divisors (see below), whose sum is σ = 43368007620. Its totient is φ = 41302864320.

The previous prime is 42335435959. The next prime is 42335435981. The reversal of 42335435969 is 96953453324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6878545969 + 35456890000 = 82937^2 + 188300^2 .

It is a cyclic number.

It is not a de Polignac number, because 42335435969 - 2⁴ = 42335435953 is a prime.

It is a super-2 number, since 2×42335435969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42335435969.

It is not an unprimeable number, because it can be changed into a prime (42335435929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516285764 + ... + 516285845.

It is an arithmetic number, because the mean of its divisors is an integer number (10842001905).

Almost surely, 2^42335435969 is an apocalyptic number.

It is an amenable number.

42335435969 is a deficient number, since it is larger than the sum of its proper divisors (1032571651).

42335435969 is a wasteful number, since it uses less digits than its factorization.

42335435969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032571650.

The product of its digits is 10497600, while the sum is 53.

The spelling of 42335435969 in words is "forty-two billion, three hundred thirty-five million, four hundred thirty-five thousand, nine hundred sixty-nine".