21414206104 has 16 divisors (see below), whose sum is σ = 40153624920. Its totient is φ = 10706572800.

The previous prime is 21414206087. The next prime is 21414206119. The reversal of 21414206104 is 40160241412.

It is a congruent number.

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, 144952 + ... + 252664.

Almost surely, 2^21414206104 is an apocalyptic number.

It is an amenable number.

21414206104 is a deficient number, since it is larger than the sum of its proper divisors (18739418816).

21414206104 is a wasteful number, since it uses less digits than its factorization.

21414206104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132570 (or 132566 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21414206104 its reverse (40160241412), we get a palindrome (61574447516).

The spelling of 21414206104 in words is "twenty-one billion, four hundred fourteen million, two hundred six thousand, one hundred four".