3639009347 has 2 divisors, whose sum is σ = 3639009348. Its totient is φ = 3639009346.

The previous prime is 3639009337. The next prime is 3639009379. The reversal of 3639009347 is 7439009363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3639009347 - 2⁸ = 3639009091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3639009298 and 3639009307.

It is not a weakly prime, because it can be changed into another prime (3639009337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819504673 + 1819504674.

It is an arithmetic number, because the mean of its divisors is an integer number (1819504674).

Almost surely, 2^3639009347 is an apocalyptic number.

3639009347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639009347 is an equidigital number, since it uses as much as digits as its factorization.

3639009347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 3639009347 is about 60324.2020005238. The cubic root of 3639009347 is about 1538.1347726108.

The spelling of 3639009347 in words is "three billion, six hundred thirty-nine million, nine thousand, three hundred forty-seven".