21384454202 has 8 divisors (see below), whose sum is σ = 32289110112. Its totient is φ = 10621417500.

The previous prime is 21384454187. The next prime is 21384454249. The reversal of 21384454202 is 20245448312.

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

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, 35404424 + ... + 35405027.

It is an arithmetic number, because the mean of its divisors is an integer number (4036138764).

Almost surely, 2^21384454202 is an apocalyptic number.

21384454202 is a deficient number, since it is larger than the sum of its proper divisors (10904655910).

21384454202 is a wasteful number, since it uses less digits than its factorization.

21384454202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70809604.

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 21384454202 in words is "twenty-one billion, three hundred eighty-four million, four hundred fifty-four thousand, two hundred two".