21742677004276 has 24 divisors (see below), whose sum is σ = 38757004316576. Its totient is φ = 10670418744480.

The previous prime is 21742677004273. The next prime is 21742677004291. The reversal of 21742677004276 is 67240077624712.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21742677004271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146368710 + ... + 146517181.

Almost surely, 2^{21742677004276} is an apocalyptic number.

It is an amenable number.

21742677004276 is a deficient number, since it is larger than the sum of its proper divisors (17014327312300).

21742677004276 is a wasteful number, since it uses less digits than its factorization.

21742677004276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292886239 (or 292886237 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 55.

The spelling of 21742677004276 in words is "twenty-one trillion, seven hundred forty-two billion, six hundred seventy-seven million, four thousand, two hundred seventy-six".