64035442412365 has 4 divisors (see below), whose sum is σ = 76842530894844. Its totient is φ = 51228353929888.

The previous prime is 64035442412339. The next prime is 64035442412371. The reversal of 64035442412365 is 56321424453046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40050494474116 + 23984947938249 = 6328546^2 + 4897443^2 .

It is a cyclic number.

It is not a de Polignac number, because 64035442412365 - 2³¹ = 64033294928717 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 3 ways as a sum of consecutive naturals, for example, 6403544241232 + ... + 6403544241241.

It is an arithmetic number, because the mean of its divisors is an integer number (19210632723711).

Almost surely, 2^{64035442412365} is an apocalyptic number.

It is an amenable number.

64035442412365 is a deficient number, since it is larger than the sum of its proper divisors (12807088482479).

64035442412365 is a wasteful number, since it uses less digits than its factorization.

64035442412365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12807088482478.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 64035442412365 in words is "sixty-four trillion, thirty-five billion, four hundred forty-two million, four hundred twelve thousand, three hundred sixty-five".