64757470147 has 4 divisors (see below), whose sum is σ = 64758101616. Its totient is φ = 64756838680.

The previous prime is 64757470121. The next prime is 64757470153. The reversal of 64757470147 is 74107475746.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64757470147 - 2¹⁹ = 64756945859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64757470094 and 64757470103.

It is not an unprimeable number, because it can be changed into a prime (64757471147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122479 + ... + 380152.

It is an arithmetic number, because the mean of its divisors is an integer number (16189525404).

Almost surely, 2^64757470147 is an apocalyptic number.

64757470147 is a deficient number, since it is larger than the sum of its proper divisors (631469).

64757470147 is a wasteful number, since it uses less digits than its factorization.

64757470147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631468.

The product of its (nonzero) digits is 4609920, while the sum is 52.

The spelling of 64757470147 in words is "sixty-four billion, seven hundred fifty-seven million, four hundred seventy thousand, one hundred forty-seven".