4042432142429 has 4 divisors (see below), whose sum is σ = 4097807925276. Its totient is φ = 3987056359584.

The previous prime is 4042432142423. The next prime is 4042432142449. The reversal of 4042432142429 is 9242412342404.

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 2046716503225 + 1995715639204 = 1430635^2 + 1412698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042432142429 is a prime.

It is a super-2 number, since 2×4042432142429² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042432142423) 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, 27687891314 + ... + 27687891459.

It is an arithmetic number, because the mean of its divisors is an integer number (1024451981319).

Almost surely, 2^{4042432142429} is an apocalyptic number.

It is an amenable number.

4042432142429 is a deficient number, since it is larger than the sum of its proper divisors (55375782847).

4042432142429 is an equidigital number, since it uses as much as digits as its factorization.

4042432142429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55375782846.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 4042432142429 in words is "four trillion, forty-two billion, four hundred thirty-two million, one hundred forty-two thousand, four hundred twenty-nine".