21214796839369 has 16 divisors (see below), whose sum is σ = 24361768964736. Its totient is φ = 18097056028800.

The previous prime is 21214796839349. The next prime is 21214796839381. The reversal of 21214796839369 is 96393869741212.

It is not a de Polignac number, because 21214796839369 - 2⁵ = 21214796839337 is a prime.

It is a super-2 number, since 2×21214796839369² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21214796839298 and 21214796839307.

It is not an unprimeable number, because it can be changed into a prime (21214796839339) 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, 5054182 + ... + 8244655.

It is an arithmetic number, because the mean of its divisors is an integer number (1522610560296).

Almost surely, 2^{21214796839369} is an apocalyptic number.

It is an amenable number.

21214796839369 is a deficient number, since it is larger than the sum of its proper divisors (3146972125367).

21214796839369 is a wasteful number, since it uses less digits than its factorization.

21214796839369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299936.

The product of its digits is 211631616, while the sum is 70.

The spelling of 21214796839369 in words is "twenty-one trillion, two hundred fourteen billion, seven hundred ninety-six million, eight hundred thirty-nine thousand, three hundred sixty-nine".