21035302514 has 8 divisors (see below), whose sum is σ = 31859293440. Its totient is φ = 10415538036.

The previous prime is 21035302471. The next prime is 21035302571. The reversal of 21035302514 is 41520353012.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51056354 + ... + 51056765.

It is an arithmetic number, because the mean of its divisors is an integer number (3982411680).

Almost surely, 2^21035302514 is an apocalyptic number.

21035302514 is a deficient number, since it is larger than the sum of its proper divisors (10823990926).

21035302514 is a wasteful number, since it uses less digits than its factorization.

21035302514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102113224.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 21035302514 its reverse (41520353012), we get a palindrome (62555655526).

The spelling of 21035302514 in words is "twenty-one billion, thirty-five million, three hundred two thousand, five hundred fourteen".