2722408649 has 8 divisors (see below), whose sum is σ = 2736944640. Its totient is φ = 2707912000.

The previous prime is 2722408627. The next prime is 2722408657. The reversal of 2722408649 is 9468042272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2722408649 - 2⁸ = 2722408393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2722408699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134504 + ... + 153414.

It is an arithmetic number, because the mean of its divisors is an integer number (342118080).

Almost surely, 2^2722408649 is an apocalyptic number.

It is an amenable number.

2722408649 is a deficient number, since it is larger than the sum of its proper divisors (14535991).

2722408649 is a wasteful number, since it uses less digits than its factorization.

2722408649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2722408649 is about 52176.7059999000. The cubic root of 2722408649 is about 1396.3183280833.

The spelling of 2722408649 in words is "two billion, seven hundred twenty-two million, four hundred eight thousand, six hundred forty-nine".