21703676463 has 40 divisors (see below), whose sum is σ = 37205908608. Its totient is φ = 12402022104.

The previous prime is 21703676453. The next prime is 21703676513. The reversal of 21703676463 is 36467630712.

21703676463 is a `hidden beast` number, since 2 + 170 + 367 + 64 + 63 = 666.

It is not a de Polignac number, because 21703676463 - 2¹⁰ = 21703675439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21703676443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59020 + ... + 216542.

Almost surely, 2^21703676463 is an apocalyptic number.

21703676463 is a deficient number, since it is larger than the sum of its proper divisors (15502232145).

21703676463 is an frugal number, since it uses more digits than its factorization.

21703676463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157557 (or 157533 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 21703676463 in words is "twenty-one billion, seven hundred three million, six hundred seventy-six thousand, four hundred sixty-three".