21052363414 has 8 divisors (see below), whose sum is σ = 32667460560. Its totient is φ = 10163209896.

The previous prime is 21052363369. The next prime is 21052363417. The reversal of 21052363414 is 41436325012.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21052363417) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 181485834 + ... + 181485949.

It is an arithmetic number, because the mean of its divisors is an integer number (4083432570).

Almost surely, 2^21052363414 is an apocalyptic number.

21052363414 is a deficient number, since it is larger than the sum of its proper divisors (11615097146).

21052363414 is a wasteful number, since it uses less digits than its factorization.

21052363414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362971814.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 21052363414 its reverse (41436325012), we get a palindrome (62488688426).

The spelling of 21052363414 in words is "twenty-one billion, fifty-two million, three hundred sixty-three thousand, four hundred fourteen".