3664909243 has 4 divisors (see below), whose sum is σ = 3734058528. Its totient is φ = 3595759960.

The previous prime is 3664909201. The next prime is 3664909273. The reversal of 3664909243 is 3429094663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3664909243 - 2¹⁷ = 3664778171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3664909193 and 3664909202.

It is not an unprimeable number, because it can be changed into a prime (3664909273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34574563 + ... + 34574668.

It is an arithmetic number, because the mean of its divisors is an integer number (933514632).

Almost surely, 2^3664909243 is an apocalyptic number.

3664909243 is a deficient number, since it is larger than the sum of its proper divisors (69149285).

3664909243 is an equidigital number, since it uses as much as digits as its factorization.

3664909243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69149284.

The product of its (nonzero) digits is 839808, while the sum is 46.

The square root of 3664909243 is about 60538.4938943810. The cubic root of 3664909243 is about 1541.7752680498.

The spelling of 3664909243 in words is "three billion, six hundred sixty-four million, nine hundred nine thousand, two hundred forty-three".