3909229457 has 6 divisors (see below), whose sum is σ = 4547471058. Its totient is φ = 3350768064.

The previous prime is 3909229439. The next prime is 3909229481. The reversal of 3909229457 is 7549229093.

It can be written as a sum of positive squares in only one way, i.e., 1996391761 + 1912837696 = 44681^2 + 43736^2 .

It is not a de Polignac number, because 3909229457 - 2⁶ = 3909229393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3909229417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39890048 + ... + 39890145.

It is an arithmetic number, because the mean of its divisors is an integer number (757911843).

Almost surely, 2^3909229457 is an apocalyptic number.

It is an amenable number.

3909229457 is a deficient number, since it is larger than the sum of its proper divisors (638241601).

3909229457 is an equidigital number, since it uses as much as digits as its factorization.

3909229457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79780207 (or 79780200 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 3909229457 is about 62523.8311126246. The cubic root of 3909229457 is about 1575.3016245374.

The spelling of 3909229457 in words is "three billion, nine hundred nine million, two hundred twenty-nine thousand, four hundred fifty-seven".