3645703667 has 2 divisors, whose sum is σ = 3645703668. Its totient is φ = 3645703666.

The previous prime is 3645703639. The next prime is 3645703697. The reversal of 3645703667 is 7663075463.

It is a weak prime.

It is an emirp because it is prime and its reverse (7663075463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645703667 - 2²² = 3641509363 is a prime.

It is not a weakly prime, because it can be changed into another prime (3645703637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822851833 + 1822851834.

It is an arithmetic number, because the mean of its divisors is an integer number (1822851834).

Almost surely, 2^3645703667 is an apocalyptic number.

3645703667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645703667 is an equidigital number, since it uses as much as digits as its factorization.

3645703667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The square root of 3645703667 is about 60379.6626936587. The cubic root of 3645703667 is about 1539.0773788587.

The spelling of 3645703667 in words is "three billion, six hundred forty-five million, seven hundred three thousand, six hundred sixty-seven".