21410005514 has 8 divisors (see below), whose sum is σ = 32115873540. Its totient is φ = 10704714336.

The previous prime is 21410005511. The next prime is 21410005523. The reversal of 21410005514 is 41550001412.

It can be written as a sum of positive squares in 2 ways, for example, as 21218874889 + 191130625 = 145667^2 + 13825^2 .

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

It is a super-2 number, since 2×21410005514² (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 21410005514.

It is not an unprimeable number, because it can be changed into a prime (21410005511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34829 + ... + 209840.

Almost surely, 2^21410005514 is an apocalyptic number.

21410005514 is a deficient number, since it is larger than the sum of its proper divisors (10705868026).

21410005514 is a wasteful number, since it uses less digits than its factorization.

21410005514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288424.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 21410005514 its reverse (41550001412), we get a palindrome (62960006926).

The spelling of 21410005514 in words is "twenty-one billion, four hundred ten million, five thousand, five hundred fourteen".