64353364451 has 4 divisors (see below), whose sum is σ = 64943762400. Its totient is φ = 63762966504.

The previous prime is 64353364447. The next prime is 64353364463. The reversal of 64353364451 is 15446335346.

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 64353364451 - 2² = 64353364447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64353364151) 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, 295198811 + ... + 295199028.

It is an arithmetic number, because the mean of its divisors is an integer number (16235940600).

Almost surely, 2^64353364451 is an apocalyptic number.

64353364451 is a deficient number, since it is larger than the sum of its proper divisors (590397949).

64353364451 is a wasteful number, since it uses less digits than its factorization.

64353364451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590397948.

The product of its digits is 1555200, while the sum is 44.

Adding to 64353364451 its reverse (15446335346), we get a palindrome (79799699797).

The spelling of 64353364451 in words is "sixty-four billion, three hundred fifty-three million, three hundred sixty-four thousand, four hundred fifty-one".