21014414504 has 32 divisors (see below), whose sum is σ = 41500740000. Its totient is φ = 9948215232.

The previous prime is 21014414497. The next prime is 21014414563. The reversal of 21014414504 is 40541441012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217562 + ... + 298934.

It is an arithmetic number, because the mean of its divisors is an integer number (1296898125).

Almost surely, 2^21014414504 is an apocalyptic number.

It is an amenable number.

21014414504 is a deficient number, since it is larger than the sum of its proper divisors (20486325496).

21014414504 is a wasteful number, since it uses less digits than its factorization.

21014414504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83097 (or 83093 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 21014414504 its reverse (40541441012), we get a palindrome (61555855516).

The spelling of 21014414504 in words is "twenty-one billion, fourteen million, four hundred fourteen thousand, five hundred four".