64102335047 has 4 divisors (see below), whose sum is σ = 67873060656. Its totient is φ = 60331609440.

The previous prime is 64102334999. The next prime is 64102335107. The reversal of 64102335047 is 74053320146.

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

It is a cyclic number.

It is not a de Polignac number, because 64102335047 - 2⁶ = 64102334983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64102334998 and 64102335016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64102335247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885362779 + ... + 1885362812.

It is an arithmetic number, because the mean of its divisors is an integer number (16968265164).

Almost surely, 2^64102335047 is an apocalyptic number.

64102335047 is a deficient number, since it is larger than the sum of its proper divisors (3770725609).

64102335047 is a wasteful number, since it uses less digits than its factorization.

64102335047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770725608.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 64102335047 in words is "sixty-four billion, one hundred two million, three hundred thirty-five thousand, forty-seven".