64472627393 has 8 divisors (see below), whose sum is σ = 64828448256. Its totient is φ = 64116997200.

The previous prime is 64472627389. The next prime is 64472627419. The reversal of 64472627393 is 39372627446.

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

It is a cyclic number.

It is not a de Polignac number, because 64472627393 - 2² = 64472627389 is a prime.

It is a super-2 number, since 2×64472627393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64472627693) 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 7 ways as a sum of consecutive naturals, for example, 659255 + ... + 750707.

It is an arithmetic number, because the mean of its divisors is an integer number (8103556032).

Almost surely, 2^64472627393 is an apocalyptic number.

It is an amenable number.

64472627393 is a deficient number, since it is larger than the sum of its proper divisors (355820863).

64472627393 is a wasteful number, since it uses less digits than its factorization.

64472627393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95335.

The product of its digits is 9144576, while the sum is 53.

Adding to 64472627393 its sum of digits (53), we get a palindrome (64472627446).

The spelling of 64472627393 in words is "sixty-four billion, four hundred seventy-two million, six hundred twenty-seven thousand, three hundred ninety-three".