64663277814371 has 4 divisors (see below), whose sum is σ = 64731995432544. Its totient is φ = 64594560196200.

The previous prime is 64663277814361. The next prime is 64663277814407. The reversal of 64663277814371 is 17341877236646.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64663277814371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64663277814298 and 64663277814307.

It is not an unprimeable number, because it can be changed into a prime (64663277814361) 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, 34358807675 + ... + 34358809556.

It is an arithmetic number, because the mean of its divisors is an integer number (16182998858136).

Almost surely, 2^{64663277814371} is an apocalyptic number.

64663277814371 is a deficient number, since it is larger than the sum of its proper divisors (68717618173).

64663277814371 is an equidigital number, since it uses as much as digits as its factorization.

64663277814371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68717618172.

The product of its digits is 170698752, while the sum is 65.

The spelling of 64663277814371 in words is "sixty-four trillion, six hundred sixty-three billion, two hundred seventy-seven million, eight hundred fourteen thousand, three hundred seventy-one".