64826650131312 has 20 divisors (see below), whose sum is σ = 167468846172680. Its totient is φ = 21608883377088.

The previous prime is 64826650131311. The next prime is 64826650131317. The reversal of 64826650131312 is 21313105662846.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1350555211069 = 64826650131312 / (6 + 4 + 8 + 2 + 6 + 6 + 5 + 0 + 1 + 3 + 1 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64826650131311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675277605487 + ... + 675277605582.

It is an arithmetic number, because the mean of its divisors is an integer number (8373442308634).

Almost surely, 2^{64826650131312} is an apocalyptic number.

It is an amenable number.

64826650131312 is an abundant number, since it is smaller than the sum of its proper divisors (102642196041368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64826650131312 is a wasteful number, since it uses less digits than its factorization.

64826650131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350555211080 (or 1350555211074 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 64826650131312 in words is "sixty-four trillion, eight hundred twenty-six billion, six hundred fifty million, one hundred thirty-one thousand, three hundred twelve".