22747561389 has 24 divisors (see below), whose sum is σ = 37883856192. Its totient is φ = 12883570560.

The previous prime is 22747561373. The next prime is 22747561477. The reversal of 22747561389 is 98316574722.

It is a happy number.

22747561389 is a `hidden beast` number, since 2 + 2 + 7 + 47 + 561 + 38 + 9 = 666.

It is not a de Polignac number, because 22747561389 - 2⁴ = 22747561373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22747561339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1590547 + ... + 1604784.

It is an arithmetic number, because the mean of its divisors is an integer number (1578494008).

Almost surely, 2^22747561389 is an apocalyptic number.

It is an amenable number.

22747561389 is a deficient number, since it is larger than the sum of its proper divisors (15136294803).

22747561389 is a wasteful number, since it uses less digits than its factorization.

22747561389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195457 (or 3195454 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 22747561389 in words is "twenty-two billion, seven hundred forty-seven million, five hundred sixty-one thousand, three hundred eighty-nine".