4321040051 has 4 divisors (see below), whose sum is σ = 4321620000. Its totient is φ = 4320460104.

The previous prime is 4321039993. The next prime is 4321040063. The reversal of 4321040051 is 1500401234.

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

It is a cyclic number.

It is not a de Polignac number, because 4321040051 - 2¹⁰ = 4321039027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321040071) 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, 278651 + ... + 293748.

It is an arithmetic number, because the mean of its divisors is an integer number (1080405000).

Almost surely, 2^4321040051 is an apocalyptic number.

4321040051 is a deficient number, since it is larger than the sum of its proper divisors (579949).

4321040051 is an equidigital number, since it uses as much as digits as its factorization.

4321040051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579948.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4321040051 is about 65734.6183604956. The cubic root of 4321040051 is about 1628.7812600601.

Adding to 4321040051 its reverse (1500401234), we get a palindrome (5821441285).

The spelling of 4321040051 in words is "four billion, three hundred twenty-one million, forty thousand, fifty-one".