64747112313 has 8 divisors (see below), whose sum is σ = 92970212608. Its totient is φ = 39844376784.

The previous prime is 64747112303. The next prime is 64747112321. The reversal of 64747112313 is 31321174746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64747112313 - 2⁵ = 64747112281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1660182367 = 64747112313 / (6 + 4 + 7 + 4 + 7 + 1 + 1 + 2 + 3 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (64747112303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830091145 + ... + 830091222.

It is an arithmetic number, because the mean of its divisors is an integer number (11621276576).

Almost surely, 2^64747112313 is an apocalyptic number.

It is an amenable number.

64747112313 is a deficient number, since it is larger than the sum of its proper divisors (28223100295).

64747112313 is a wasteful number, since it uses less digits than its factorization.

64747112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660182383.

The product of its digits is 84672, while the sum is 39.

The spelling of 64747112313 in words is "sixty-four billion, seven hundred forty-seven million, one hundred twelve thousand, three hundred thirteen".