3640019159 has 4 divisors (see below), whose sum is σ = 4160021904. Its totient is φ = 3120016416.

The previous prime is 3640019153. The next prime is 3640019161. The reversal of 3640019159 is 9519100463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3640019159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640019153) 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, 260001362 + ... + 260001375.

It is an arithmetic number, because the mean of its divisors is an integer number (1040005476).

Almost surely, 2^3640019159 is an apocalyptic number.

3640019159 is a deficient number, since it is larger than the sum of its proper divisors (520002745).

3640019159 is an equidigital number, since it uses as much as digits as its factorization.

3640019159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520002744.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 3640019159 is about 60332.5712944509. The cubic root of 3640019159 is about 1538.2770350741.

The spelling of 3640019159 in words is "three billion, six hundred forty million, nineteen thousand, one hundred fifty-nine".