64862318632853 has 16 divisors (see below), whose sum is σ = 75936916976256. Its totient is φ = 54239877922560.

The previous prime is 64862318632849. The next prime is 64862318632897. The reversal of 64862318632853 is 35823681326846.

It is a cyclic number.

It is not a de Polignac number, because 64862318632853 - 2² = 64862318632849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64862318632853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64862318635853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43555550 + ... + 45020112.

It is an arithmetic number, because the mean of its divisors is an integer number (4746057311016).

Almost surely, 2^{64862318632853} is an apocalyptic number.

It is an amenable number.

64862318632853 is a deficient number, since it is larger than the sum of its proper divisors (11074598343403).

64862318632853 is a wasteful number, since it uses less digits than its factorization.

64862318632853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618924.

The product of its digits is 238878720, while the sum is 65.

The spelling of 64862318632853 in words is "sixty-four trillion, eight hundred sixty-two billion, three hundred eighteen million, six hundred thirty-two thousand, eight hundred fifty-three".