21414413402 has 8 divisors (see below), whose sum is σ = 32868634656. Its totient is φ = 10458201852.

The previous prime is 21414413393. The next prime is 21414413413. The reversal of 21414413402 is 20431441412.

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

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, 124502318 + ... + 124502489.

It is an arithmetic number, because the mean of its divisors is an integer number (4108579332).

Almost surely, 2^21414413402 is an apocalyptic number.

21414413402 is a deficient number, since it is larger than the sum of its proper divisors (11454221254).

21414413402 is a wasteful number, since it uses less digits than its factorization.

21414413402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249004852.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21414413402 its reverse (20431441412), we get a palindrome (41845854814).

The spelling of 21414413402 in words is "twenty-one billion, four hundred fourteen million, four hundred thirteen thousand, four hundred two".