22649099437449 has 27 divisors (see below), whose sum is σ = 32811024548757. Its totient is φ = 15055377885216.

The previous prime is 22649099437441. The next prime is 22649099437493. The reversal of 22649099437449 is 94473499094622.

It is a happy number.

The square root of 22649099437449 is 4759107.

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

22649099437449 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 90 + 9 + 94 + 3 + 7 + 449 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3682726035849 + 18966373401600 = 1919043^2 + 4355040^2 .

It is not a de Polignac number, because 22649099437449 - 2³ = 22649099437441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22649099437441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5325438607 + ... + 5325442859.

Almost surely, 2^{22649099437449} is an apocalyptic number.

22649099437449 is the 4759107-th square number.

22649099437449 is the 2379554-th centered octagonal number.

It is an amenable number.

22649099437449 is a deficient number, since it is larger than the sum of its proper divisors (10161925111308).

22649099437449 is an frugal number, since it uses more digits than its factorization.

22649099437449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 846526464, while the sum is 72.

The spelling of 22649099437449 in words is "twenty-two trillion, six hundred forty-nine billion, ninety-nine million, four hundred thirty-seven thousand, four hundred forty-nine".