64405160347 has 4 divisors (see below), whose sum is σ = 70260174936. Its totient is φ = 58550145760.

The previous prime is 64405160341. The next prime is 64405160359. The reversal of 64405160347 is 74306150446.

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 64405160347 - 2⁷ = 64405160219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64405160341) 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, 2927507278 + ... + 2927507299.

It is an arithmetic number, because the mean of its divisors is an integer number (17565043734).

Almost surely, 2^64405160347 is an apocalyptic number.

64405160347 is a deficient number, since it is larger than the sum of its proper divisors (5855014589).

64405160347 is a wasteful number, since it uses less digits than its factorization.

64405160347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855014588.

The product of its (nonzero) digits is 241920, while the sum is 40.

Subtracting 64405160347 from its reverse (74306150446), we obtain a palindrome (9900990099).

The spelling of 64405160347 in words is "sixty-four billion, four hundred five million, one hundred sixty thousand, three hundred forty-seven".