21896098696826 has 16 divisors (see below), whose sum is σ = 33543108775296. Its totient is φ = 10715064508896.

The previous prime is 21896098696753. The next prime is 21896098696867. The reversal of 21896098696826 is 62869689069812.

It is a super-2 number, since 2×21896098696826² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30722870 + ... + 31427486.

It is an arithmetic number, because the mean of its divisors is an integer number (2096444298456).

Almost surely, 2^{21896098696826} is an apocalyptic number.

21896098696826 is a deficient number, since it is larger than the sum of its proper divisors (11647010078470).

21896098696826 is a wasteful number, since it uses less digits than its factorization.

21896098696826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035253.

The product of its (nonzero) digits is 1934917632, while the sum is 80.

The spelling of 21896098696826 in words is "twenty-one trillion, eight hundred ninety-six billion, ninety-eight million, six hundred ninety-six thousand, eight hundred twenty-six".