64360425565 has 8 divisors (see below), whose sum is σ = 77260807008. Its totient is φ = 51469476240.

The previous prime is 64360425541. The next prime is 64360425581. The reversal of 64360425565 is 56552406346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64360425565 - 2¹⁵ = 64360392797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343007 + ... + 2370316.

It is an arithmetic number, because the mean of its divisors is an integer number (9657600876).

Almost surely, 2^64360425565 is an apocalyptic number.

It is an amenable number.

64360425565 is a deficient number, since it is larger than the sum of its proper divisors (12900381443).

64360425565 is a wasteful number, since it uses less digits than its factorization.

64360425565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716059.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 64360425565 in words is "sixty-four billion, three hundred sixty million, four hundred twenty-five thousand, five hundred sixty-five".