21414445035 has 16 divisors (see below), whose sum is σ = 34268417280. Its totient is φ = 11419268960.

The previous prime is 21414444977. The next prime is 21414445037. The reversal of 21414445035 is 53054441412.

It is a happy number.

It is not a de Polignac number, because 21414445035 - 2¹⁰ = 21414444011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21414444987 and 21414445005.

It is not an unprimeable number, because it can be changed into a prime (21414445037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7311 + ... + 207080.

It is an arithmetic number, because the mean of its divisors is an integer number (2141776080).

Almost surely, 2^21414445035 is an apocalyptic number.

21414445035 is a deficient number, since it is larger than the sum of its proper divisors (12853972245).

21414445035 is a wasteful number, since it uses less digits than its factorization.

21414445035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221058.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 21414445035 its reverse (53054441412), we get a palindrome (74468886447).

The spelling of 21414445035 in words is "twenty-one billion, four hundred fourteen million, four hundred forty-five thousand, thirty-five".