21452053414 has 8 divisors (see below), whose sum is σ = 35103360168. Its totient is φ = 9750933360.

The previous prime is 21452053411. The next prime is 21452053433. The reversal of 21452053414 is 41435025412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21452053411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487546647 + ... + 487546690.

It is an arithmetic number, because the mean of its divisors is an integer number (4387920021).

Almost surely, 2^21452053414 is an apocalyptic number.

21452053414 is a deficient number, since it is larger than the sum of its proper divisors (13651306754).

21452053414 is a wasteful number, since it uses less digits than its factorization.

21452053414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975093350.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 21452053414 its reverse (41435025412), we get a palindrome (62887078826).

The spelling of 21452053414 in words is "twenty-one billion, four hundred fifty-two million, fifty-three thousand, four hundred fourteen".