21376511414 has 4 divisors (see below), whose sum is σ = 32064767124. Its totient is φ = 10688255706.

The previous prime is 21376511411. The next prime is 21376511417. The reversal of 21376511414 is 41411567312.

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

It is an interprime number because it is at equal distance from previous prime (21376511411) and next prime (21376511417).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21376511411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5344127852 + ... + 5344127855.

It is an arithmetic number, because the mean of its divisors is an integer number (8016191781).

Almost surely, 2^21376511414 is an apocalyptic number.

21376511414 is a deficient number, since it is larger than the sum of its proper divisors (10688255710).

21376511414 is a wasteful number, since it uses less digits than its factorization.

21376511414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688255709.

The product of its digits is 20160, while the sum is 35.

The spelling of 21376511414 in words is "twenty-one billion, three hundred seventy-six million, five hundred eleven thousand, four hundred fourteen".