43424642434 has 8 divisors (see below), whose sum is σ = 65139839820. Its totient is φ = 21711362496.

The previous prime is 43424642431. The next prime is 43424642449.

43424642434 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 43128905625 + 295736809 = 207675^2 + 17197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43424642431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421339 + ... + 514174.

Almost surely, 2^43424642434 is an apocalyptic number.

43424642434 is a deficient number, since it is larger than the sum of its proper divisors (21715197386).

43424642434 is a wasteful number, since it uses less digits than its factorization.

43424642434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958724.

The product of its digits is 884736, while the sum is 40.

The spelling of 43424642434 in words is "forty-three billion, four hundred twenty-four million, six hundred forty-two thousand, four hundred thirty-four".