10421444434 has 8 divisors (see below), whose sum is σ = 15632909820. Its totient is φ = 5210474496.

The previous prime is 10421444419. The next prime is 10421444447. The reversal of 10421444434 is 43444412401.

It can be written as a sum of positive squares in 2 ways, for example, as 8362553809 + 2058890625 = 91447^2 + 45375^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10421444396 and 10421444405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65839 + ... + 158674.

Almost surely, 2^10421444434 is an apocalyptic number.

10421444434 is a deficient number, since it is larger than the sum of its proper divisors (5211465386).

10421444434 is a wasteful number, since it uses less digits than its factorization.

10421444434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247724.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 10421444434 its reverse (43444412401), we get a palindrome (53865856835).

The spelling of 10421444434 in words is "ten billion, four hundred twenty-one million, four hundred forty-four thousand, four hundred thirty-four".