64352894377 has 4 divisors (see below), whose sum is σ = 65849473360. Its totient is φ = 62856315396.

The previous prime is 64352894351. The next prime is 64352894447. The reversal of 64352894377 is 77349825346.

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 64352894377 - 2³⁵ = 29993156009 is a prime.

It is a super-4 number, since 4×64352894377⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64352894777) 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, 748289427 + ... + 748289512.

It is an arithmetic number, because the mean of its divisors is an integer number (16462368340).

Almost surely, 2^64352894377 is an apocalyptic number.

It is an amenable number.

64352894377 is a deficient number, since it is larger than the sum of its proper divisors (1496578983).

64352894377 is a wasteful number, since it uses less digits than its factorization.

64352894377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496578982.

The product of its digits is 30481920, while the sum is 58.

The spelling of 64352894377 in words is "sixty-four billion, three hundred fifty-two million, eight hundred ninety-four thousand, three hundred seventy-seven".