21035051435 has 8 divisors (see below), whose sum is σ = 25857722016. Its totient is φ = 16417600960.

The previous prime is 21035051417. The next prime is 21035051441. The reversal of 21035051435 is 53415053012.

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

It is not a de Polignac number, because 21035051435 - 2⁸ = 21035051179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21035051398 and 21035051407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51304799 + ... + 51305208.

It is an arithmetic number, because the mean of its divisors is an integer number (3232215252).

Almost surely, 2^21035051435 is an apocalyptic number.

21035051435 is a deficient number, since it is larger than the sum of its proper divisors (4822670581).

21035051435 is a wasteful number, since it uses less digits than its factorization.

21035051435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102610053.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 21035051435 in words is "twenty-one billion, thirty-five million, fifty-one thousand, four hundred thirty-five".