64371052147 has 4 divisors (see below), whose sum is σ = 67759002280. Its totient is φ = 60983102016.

The previous prime is 64371052133. The next prime is 64371052157. The reversal of 64371052147 is 74125017346.

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 64371052147 - 2¹¹ = 64371050099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64371052117) 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, 1693975038 + ... + 1693975075.

It is an arithmetic number, because the mean of its divisors is an integer number (16939750570).

Almost surely, 2^64371052147 is an apocalyptic number.

64371052147 is a deficient number, since it is larger than the sum of its proper divisors (3387950133).

64371052147 is a wasteful number, since it uses less digits than its factorization.

64371052147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387950132.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 64371052147 in words is "sixty-four billion, three hundred seventy-one million, fifty-two thousand, one hundred forty-seven".