64348146867 has 4 divisors (see below), whose sum is σ = 85797529160. Its totient is φ = 42898764576.

The previous prime is 64348146859. The next prime is 64348146871. The reversal of 64348146867 is 76864184346.

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

It is not a de Polignac number, because 64348146867 - 2³ = 64348146859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64348146827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10724691142 + ... + 10724691147.

It is an arithmetic number, because the mean of its divisors is an integer number (21449382290).

Almost surely, 2^64348146867 is an apocalyptic number.

64348146867 is a deficient number, since it is larger than the sum of its proper divisors (21449382293).

64348146867 is a wasteful number, since it uses less digits than its factorization.

64348146867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21449382292.

The product of its digits is 18579456, while the sum is 57.

The spelling of 64348146867 in words is "sixty-four billion, three hundred forty-eight million, one hundred forty-six thousand, eight hundred sixty-seven".