21014210315414 has 4 divisors (see below), whose sum is σ = 31521315473124. Its totient is φ = 10507105157706.

The previous prime is 21014210315407. The next prime is 21014210315447. The reversal of 21014210315414 is 41451301241012.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253552578852 + ... + 5253552578855.

It is an arithmetic number, because the mean of its divisors is an integer number (7880328868281).

Almost surely, 2^{21014210315414} is an apocalyptic number.

21014210315414 is a deficient number, since it is larger than the sum of its proper divisors (10507105157710).

21014210315414 is a wasteful number, since it uses less digits than its factorization.

21014210315414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507105157709.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 21014210315414 its reverse (41451301241012), we get a palindrome (62465511556426).

The spelling of 21014210315414 in words is "twenty-one trillion, fourteen billion, two hundred ten million, three hundred fifteen thousand, four hundred fourteen".