43204420051 has 8 divisors (see below), whose sum is σ = 46542462624. Its totient is φ = 39868466880.

The previous prime is 43204420043. The next prime is 43204420057. The reversal of 43204420051 is 15002440234.

It is a happy number.

43204420051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43204420051 - 2³ = 43204420043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43204419998 and 43204420025.

It is not an unprimeable number, because it can be changed into a prime (43204420057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479266 + ... + 562231.

It is an arithmetic number, because the mean of its divisors is an integer number (5817807828).

Almost surely, 2^43204420051 is an apocalyptic number.

43204420051 is a deficient number, since it is larger than the sum of its proper divisors (3338042573).

43204420051 is a wasteful number, since it uses less digits than its factorization.

43204420051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044701.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 43204420051 its reverse (15002440234), we get a palindrome (58206860285).

The spelling of 43204420051 in words is "forty-three billion, two hundred four million, four hundred twenty thousand, fifty-one".