424444252550051 has 4 divisors (see below), whose sum is σ = 424444896355104. Its totient is φ = 424443608745000.

The previous prime is 424444252549991. The next prime is 424444252550113. The reversal of 424444252550051 is 150055252444424.

It is a happy number.

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 424444252550051 - 2⁶ = 424444252549987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424444252549978 and 424444252550005.

It is not an unprimeable number, because it can be changed into a prime (424444252550651) 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, 320912600 + ... + 322232501.

It is an arithmetic number, because the mean of its divisors is an integer number (106111224088776).

Almost surely, 2^{424444252550051} is an apocalyptic number.

424444252550051 is a deficient number, since it is larger than the sum of its proper divisors (643805053).

424444252550051 is an equidigital number, since it uses as much as digits as its factorization.

424444252550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643805052.

The product of its (nonzero) digits is 5120000, while the sum is 47.

The spelling of 424444252550051 in words is "four hundred twenty-four trillion, four hundred forty-four billion, two hundred fifty-two million, five hundred fifty thousand, fifty-one".