64347536683 has 4 divisors (see below), whose sum is σ = 67734249160. Its totient is φ = 60960824208.

The previous prime is 64347536653. The next prime is 64347536731. The reversal of 64347536683 is 38663574346.

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

It is not a de Polignac number, because 64347536683 - 2¹⁷ = 64347405611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64347536653) 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, 1693356210 + ... + 1693356247.

It is an arithmetic number, because the mean of its divisors is an integer number (16933562290).

Almost surely, 2^64347536683 is an apocalyptic number.

64347536683 is a deficient number, since it is larger than the sum of its proper divisors (3386712477).

64347536683 is a wasteful number, since it uses less digits than its factorization.

64347536683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386712476.

The product of its digits is 26127360, while the sum is 55.

The spelling of 64347536683 in words is "sixty-four billion, three hundred forty-seven million, five hundred thirty-six thousand, six hundred eighty-three".