2207726649 has 6 divisors (see below), whose sum is σ = 3188938506. Its totient is φ = 1471817760.

The previous prime is 2207726623. The next prime is 2207726671. The reversal of 2207726649 is 9466277022.

2207726649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1704038400 + 503688249 = 41280^2 + 22443^2 .

It is not a de Polignac number, because 2207726649 - 2²⁰ = 2206678073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2207726149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122651472 + ... + 122651489.

It is an arithmetic number, because the mean of its divisors is an integer number (531489751).

Almost surely, 2^2207726649 is an apocalyptic number.

It is an amenable number.

2207726649 is a deficient number, since it is larger than the sum of its proper divisors (981211857).

2207726649 is a wasteful number, since it uses less digits than its factorization.

2207726649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245302967 (or 245302964 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2207726649 is about 46986.4517600553. The cubic root of 2207726649 is about 1302.1122759188.

The spelling of 2207726649 in words is "two billion, two hundred seven million, seven hundred twenty-six thousand, six hundred forty-nine".