42430434113 has 4 divisors (see below), whose sum is σ = 44926342020. Its totient is φ = 39934526208.

The previous prime is 42430434103. The next prime is 42430434121. The reversal of 42430434113 is 31143403424.

It is a happy number.

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 26631955249 + 15798478864 = 163193^2 + 125692^2 .

It is a cyclic number.

It is not a de Polignac number, because 42430434113 - 2¹⁸ = 42430171969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42430434103) 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, 1247953928 + ... + 1247953961.

It is an arithmetic number, because the mean of its divisors is an integer number (11231585505).

Almost surely, 2^42430434113 is an apocalyptic number.

It is an amenable number.

42430434113 is a deficient number, since it is larger than the sum of its proper divisors (2495907907).

42430434113 is a wasteful number, since it uses less digits than its factorization.

42430434113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495907906.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42430434113 its reverse (31143403424), we get a palindrome (73573837537).

The spelling of 42430434113 in words is "forty-two billion, four hundred thirty million, four hundred thirty-four thousand, one hundred thirteen".