21414433310 has 8 divisors (see below), whose sum is σ = 38545979976. Its totient is φ = 8565773320.

The previous prime is 21414433297. The next prime is 21414433349. The reversal of 21414433310 is 1333441412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21414433310² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21414433310.

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, 1070721656 + ... + 1070721675.

It is an arithmetic number, because the mean of its divisors is an integer number (4818247497).

Almost surely, 2^21414433310 is an apocalyptic number.

21414433310 is a deficient number, since it is larger than the sum of its proper divisors (17131546666).

21414433310 is a wasteful number, since it uses less digits than its factorization.

21414433310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141443338.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21414433310 its reverse (1333441412), we get a palindrome (22747874722).

The spelling of 21414433310 in words is "twenty-one billion, four hundred fourteen million, four hundred thirty-three thousand, three hundred ten".