27722049289 has 4 divisors (see below), whose sum is σ = 30242235600. Its totient is φ = 25201862980.

The previous prime is 27722049241. The next prime is 27722049319. The reversal of 27722049289 is 98294022772.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27722049289 - 2¹³ = 27722041097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27722040289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260093139 + ... + 1260093160.

It is an arithmetic number, because the mean of its divisors is an integer number (7560558900).

Almost surely, 2^27722049289 is an apocalyptic number.

It is an amenable number.

27722049289 is a deficient number, since it is larger than the sum of its proper divisors (2520186311).

27722049289 is a wasteful number, since it uses less digits than its factorization.

27722049289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520186310.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 27722049289 in words is "twenty-seven billion, seven hundred twenty-two million, forty-nine thousand, two hundred eighty-nine".