21414414034 has 16 divisors (see below), whose sum is σ = 34686787968. Its totient is φ = 9856640592.

The previous prime is 21414414031. The next prime is 21414414053. The reversal of 21414414034 is 43041441412.

It is a junction number, because it is equal to n+sod(n) for n = 21414413993 and 21414414011.

It is not an unprimeable number, because it can be changed into a prime (21414414031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112572 + ... + 1131655.

It is an arithmetic number, because the mean of its divisors is an integer number (2167924248).

Almost surely, 2^21414414034 is an apocalyptic number.

21414414034 is a deficient number, since it is larger than the sum of its proper divisors (13272373934).

21414414034 is a wasteful number, since it uses less digits than its factorization.

21414414034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244609.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21414414034 its reverse (43041441412), we get a palindrome (64455855446).

The spelling of 21414414034 in words is "twenty-one billion, four hundred fourteen million, four hundred fourteen thousand, thirty-four".