21403635614 has 8 divisors (see below), whose sum is σ = 32125411920. Its totient is φ = 10695164976.

The previous prime is 21403635607. The next prime is 21403635637. The reversal of 21403635614 is 41653630412.

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

It is a congruent 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, 3322394 + ... + 3328829.

It is an arithmetic number, because the mean of its divisors is an integer number (4015676490).

Almost surely, 2^21403635614 is an apocalyptic number.

21403635614 is a deficient number, since it is larger than the sum of its proper divisors (10721776306).

21403635614 is a wasteful number, since it uses less digits than its factorization.

21403635614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652834.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 21403635614 in words is "twenty-one billion, four hundred three million, six hundred thirty-five thousand, six hundred fourteen".