4342503042421 has 4 divisors (see below), whose sum is σ = 4443491485312. Its totient is φ = 4241514599532.

The previous prime is 4342503042373. The next prime is 4342503042443. The reversal of 4342503042421 is 1242403052434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4342503042421 - 2¹³ = 4342503034229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342503042721) 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, 50494221381 + ... + 50494221466.

It is an arithmetic number, because the mean of its divisors is an integer number (1110872871328).

Almost surely, 2^{4342503042421} is an apocalyptic number.

It is an amenable number.

4342503042421 is a deficient number, since it is larger than the sum of its proper divisors (100988442891).

4342503042421 is a wasteful number, since it uses less digits than its factorization.

4342503042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100988442890.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 4342503042421 its reverse (1242403052434), we get a palindrome (5584906094855).

The spelling of 4342503042421 in words is "four trillion, three hundred forty-two billion, five hundred three million, forty-two thousand, four hundred twenty-one".