21602350133741 has 16 divisors (see below), whose sum is σ = 23340326338560. Its totient is φ = 19875345580800.

The previous prime is 21602350133737. The next prime is 21602350133783. The reversal of 21602350133741 is 14733105320612.

It is a cyclic number.

It is not a de Polignac number, because 21602350133741 - 2² = 21602350133737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21602350133695 and 21602350133704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602350133341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047436 + ... + 8287418.

It is an arithmetic number, because the mean of its divisors is an integer number (1458770396160).

Almost surely, 2^{21602350133741} is an apocalyptic number.

It is an amenable number.

21602350133741 is a deficient number, since it is larger than the sum of its proper divisors (1737976204819).

21602350133741 is a wasteful number, since it uses less digits than its factorization.

21602350133741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241676.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 21602350133741 in words is "twenty-one trillion, six hundred two billion, three hundred fifty million, one hundred thirty-three thousand, seven hundred forty-one".