21514414024342 has 4 divisors (see below), whose sum is σ = 32271621036516. Its totient is φ = 10757207012170.

The previous prime is 21514414024247. The next prime is 21514414024357. The reversal of 21514414024342 is 24342041441512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5378603506084 + ... + 5378603506087.

It is an arithmetic number, because the mean of its divisors is an integer number (8067905259129).

Almost surely, 2^{21514414024342} is an apocalyptic number.

21514414024342 is a deficient number, since it is larger than the sum of its proper divisors (10757207012174).

21514414024342 is a wasteful number, since it uses less digits than its factorization.

21514414024342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757207012173.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 21514414024342 its reverse (24342041441512), we get a palindrome (45856455465854).

The spelling of 21514414024342 in words is "twenty-one trillion, five hundred fourteen billion, four hundred fourteen million, twenty-four thousand, three hundred forty-two".