64712271297 has 8 divisors (see below), whose sum is σ = 86618761056. Its totient is φ = 42973647872.

The previous prime is 64712271287. The next prime is 64712271317. The reversal of 64712271297 is 79217221746.

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 64712271297 - 2¹¹ = 64712269249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64712271227) 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, 41965683 + ... + 41967224.

It is an arithmetic number, because the mean of its divisors is an integer number (10827345132).

Almost surely, 2^64712271297 is an apocalyptic number.

It is an amenable number.

64712271297 is a deficient number, since it is larger than the sum of its proper divisors (21906489759).

64712271297 is a wasteful number, since it uses less digits than its factorization.

64712271297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83933167.

The product of its digits is 592704, while the sum is 48.

The spelling of 64712271297 in words is "sixty-four billion, seven hundred twelve million, two hundred seventy-one thousand, two hundred ninety-seven".