21442146772204 has 12 divisors (see below), whose sum is σ = 37542641493784. Its totient is φ = 10715677773984.

The previous prime is 21442146772199. The next prime is 21442146772273. The reversal of 21442146772204 is 40227764124412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348894089 + ... + 1348909984.

Almost surely, 2^{21442146772204} is an apocalyptic number.

It is an amenable number.

21442146772204 is a deficient number, since it is larger than the sum of its proper divisors (16100494721580).

21442146772204 is a wasteful number, since it uses less digits than its factorization.

21442146772204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697806064 (or 2697806062 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 46.

The spelling of 21442146772204 in words is "twenty-one trillion, four hundred forty-two billion, one hundred forty-six million, seven hundred seventy-two thousand, two hundred four".