21035414532 has 24 divisors (see below), whose sum is σ = 53544691872. Its totient is φ = 6374368000.

The previous prime is 21035414459. The next prime is 21035414551. The reversal of 21035414532 is 23541453012.

It is a self number, because there is not a number n which added to its sum of digits gives 21035414532.

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 in 7 ways as a sum of consecutive naturals, for example, 79679469 + ... + 79679732.

It is an arithmetic number, because the mean of its divisors is an integer number (2231028828).

Almost surely, 2^21035414532 is an apocalyptic number.

21035414532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21035414532 is an abundant number, since it is smaller than the sum of its proper divisors (32509277340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21035414532 is a wasteful number, since it uses less digits than its factorization.

21035414532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159359219 (or 159359217 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 21035414532 its reverse (23541453012), we get a palindrome (44576867544).

The spelling of 21035414532 in words is "twenty-one billion, thirty-five million, four hundred fourteen thousand, five hundred thirty-two".