3658909243 has 32 divisors (see below), whose sum is σ = 4194091008. Its totient is φ = 3162499200.

The previous prime is 3658909213. The next prime is 3658909271. The reversal of 3658909243 is 3429098563.

3658909243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3658909243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3658909213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3669421 + ... + 3670417.

It is an arithmetic number, because the mean of its divisors is an integer number (131065344).

Almost surely, 2^3658909243 is an apocalyptic number.

3658909243 is a deficient number, since it is larger than the sum of its proper divisors (535181765).

3658909243 is a wasteful number, since it uses less digits than its factorization.

3658909243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 3658909243 is about 60488.9183487356. The cubic root of 3658909243 is about 1540.9334368865.

The spelling of 3658909243 in words is "three billion, six hundred fifty-eight million, nine hundred nine thousand, two hundred forty-three".