21415141614 has 16 divisors (see below), whose sum is σ = 42831740160. Its totient is φ = 7138137720.

The previous prime is 21415141591. The next prime is 21415141663. The reversal of 21415141614 is 41614151412.

It is a congruent number.

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, 263899 + ... + 335369.

It is an arithmetic number, because the mean of its divisors is an integer number (2676983760).

Almost surely, 2^21415141614 is an apocalyptic number.

21415141614 is an abundant number, since it is smaller than the sum of its proper divisors (21416598546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21415141614 is a wasteful number, since it uses less digits than its factorization.

21415141614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121415.

The product of its digits is 3840, while the sum is 30.

The spelling of 21415141614 in words is "twenty-one billion, four hundred fifteen million, one hundred forty-one thousand, six hundred fourteen".