21602417432734 has 8 divisors (see below), whose sum is σ = 32414048682120. Its totient is φ = 10797734538696.

The previous prime is 21602417432683. The next prime is 21602417432777. The reversal of 21602417432734 is 43723471420612.

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, 1737081064 + ... + 1737093499.

It is an arithmetic number, because the mean of its divisors is an integer number (4051756085265).

Almost surely, 2^{21602417432734} is an apocalyptic number.

21602417432734 is a deficient number, since it is larger than the sum of its proper divisors (10811631249386).

21602417432734 is a wasteful number, since it uses less digits than its factorization.

21602417432734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474177674.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 21602417432734 in words is "twenty-one trillion, six hundred two billion, four hundred seventeen million, four hundred thirty-two thousand, seven hundred thirty-four".