2722109409 has 40 divisors (see below), whose sum is σ = 4262049792. Its totient is φ = 1728112320.

The previous prime is 2722109393. The next prime is 2722109431. The reversal of 2722109409 is 9049012272.

2722109409 is a `hidden beast` number, since 27 + 221 + 0 + 9 + 409 = 666.

It is not a de Polignac number, because 2722109409 - 2⁴ = 2722109393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2722109449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 430944 + ... + 437214.

Almost surely, 2^2722109409 is an apocalyptic number.

It is an amenable number.

2722109409 is a deficient number, since it is larger than the sum of its proper divisors (1539940383).

2722109409 is a wasteful number, since it uses less digits than its factorization.

2722109409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539 (or 6530 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2722109409 is about 52173.8383579357. The cubic root of 2722109409 is about 1396.2671663291.

The spelling of 2722109409 in words is "two billion, seven hundred twenty-two million, one hundred nine thousand, four hundred nine".