21303414004 has 12 divisors (see below), whose sum is σ = 39243131200. Its totient is φ = 10091090808.

The previous prime is 21303413977. The next prime is 21303414029. The reversal of 21303414004 is 40041430312.

It is a super-3 number, since 3×21303414004³ (a number of 32 digits) contains 333 as substring.

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, 140153964 + ... + 140154115.

Almost surely, 2^21303414004 is an apocalyptic number.

It is an amenable number.

21303414004 is a deficient number, since it is larger than the sum of its proper divisors (17939717196).

21303414004 is a wasteful number, since it uses less digits than its factorization.

21303414004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280308102 (or 280308100 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21303414004 its reverse (40041430312), we get a palindrome (61344844316).

The spelling of 21303414004 in words is "twenty-one billion, three hundred three million, four hundred fourteen thousand, four".