21282708141 has 24 divisors (see below), whose sum is σ = 30859133760. Its totient is φ = 14134376256.

The previous prime is 21282708091. The next prime is 21282708157. The reversal of 21282708141 is 14180728212.

It is a happy number.

It is not a de Polignac number, because 21282708141 - 2⁶ = 21282708077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21282708096 and 21282708105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21282708341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2653345 + ... + 2661353.

It is an arithmetic number, because the mean of its divisors is an integer number (1285797240).

Almost surely, 2^21282708141 is an apocalyptic number.

It is an amenable number.

21282708141 is a deficient number, since it is larger than the sum of its proper divisors (9576425619).

21282708141 is a wasteful number, since it uses less digits than its factorization.

21282708141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105 (or 9102 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 21282708141 in words is "twenty-one billion, two hundred eighty-two million, seven hundred eight thousand, one hundred forty-one".