22629686442489 has 315 divisors, whose sum is σ = 41852753210037. Its totient is φ = 12184408904976.

The previous prime is 22629686442457. The next prime is 22629686442491. The reversal of 22629686442489 is 98424468692622.

The square root of 22629686442489 is 4757067.

It is a perfect power (a square), and thus also a powerful number.

22629686442489 is a `hidden beast` number, since 2 + 2 + 6 + 2 + 9 + 68 + 64 + 424 + 89 = 666.

It is not a de Polignac number, because 22629686442489 - 2⁵ = 22629686442457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22629686442439) by changing a digit.

It is a polite number, since it can be written in 314 ways as a sum of consecutive naturals, for example, 337756514034 + ... + 337756514100.

Almost surely, 2^{22629686442489} is an apocalyptic number.

22629686442489 is the 4757067-th square number.

22629686442489 is the 2378534-th centered octagonal number.

It is an amenable number.

22629686442489 is a deficient number, since it is larger than the sum of its proper divisors (19223066767548).

22629686442489 is an frugal number, since it uses more digits than its factorization.

22629686442489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 100 counting only the distinct ones).

The product of its digits is 1146617856, while the sum is 72.

The spelling of 22629686442489 in words is "twenty-two trillion, six hundred twenty-nine billion, six hundred eighty-six million, four hundred forty-two thousand, four hundred eighty-nine".