64345854293 has 4 divisors (see below), whose sum is σ = 73538119200. Its totient is φ = 55153589388.

The previous prime is 64345854281. The next prime is 64345854311. The reversal of 64345854293 is 39245854346.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64345854293 - 2⁶ = 64345854229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64345854203) 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, 4596132443 + ... + 4596132456.

It is an arithmetic number, because the mean of its divisors is an integer number (18384529800).

Almost surely, 2^64345854293 is an apocalyptic number.

It is an amenable number.

64345854293 is a deficient number, since it is larger than the sum of its proper divisors (9192264907).

64345854293 is an equidigital number, since it uses as much as digits as its factorization.

64345854293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192264906.

The product of its digits is 12441600, while the sum is 53.

Adding to 64345854293 its sum of digits (53), we get a palindrome (64345854346).

The spelling of 64345854293 in words is "sixty-four billion, three hundred forty-five million, eight hundred fifty-four thousand, two hundred ninety-three".