21369679703 has 8 divisors (see below), whose sum is σ = 22117090800. Its totient is φ = 20622970368.

The previous prime is 21369679693. The next prime is 21369679777. The reversal of 21369679703 is 30797696312.

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

It is a cyclic number.

It is not a de Polignac number, because 21369679703 - 2¹⁴ = 21369663319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21369679783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113093 + ... + 235646.

It is an arithmetic number, because the mean of its divisors is an integer number (2764636350).

Almost surely, 2^21369679703 is an apocalyptic number.

21369679703 is a deficient number, since it is larger than the sum of its proper divisors (747411097).

21369679703 is a wasteful number, since it uses less digits than its factorization.

21369679703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350881.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The spelling of 21369679703 in words is "twenty-one billion, three hundred sixty-nine million, six hundred seventy-nine thousand, seven hundred three".