21826102354 has 16 divisors (see below), whose sum is σ = 37418701248. Its totient is φ = 9353412432.

The previous prime is 21826102349. The next prime is 21826102369. The reversal of 21826102354 is 45320162812.

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, 206017 + ... + 293419.

It is an arithmetic number, because the mean of its divisors is an integer number (2338668828).

Almost surely, 2^21826102354 is an apocalyptic number.

21826102354 is a deficient number, since it is larger than the sum of its proper divisors (15592598894).

21826102354 is a wasteful number, since it uses less digits than its factorization.

21826102354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105249.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 21826102354 in words is "twenty-one billion, eight hundred twenty-six million, one hundred two thousand, three hundred fifty-four".