64892185341712 has 20 divisors (see below), whose sum is σ = 128100847008780. Its totient is φ = 31833902242688.

The previous prime is 64892185341707. The next prime is 64892185341719. The reversal of 64892185341712 is 21714358129846.

It can be written as a sum of positive squares in 2 ways, for example, as 40799951850256 + 24092233491456 = 6387484^2 + 4908384^2 .

It is not an unprimeable number, because it can be changed into a prime (64892185341719) 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, 38261900887 + ... + 38261902582.

It is an arithmetic number, because the mean of its divisors is an integer number (6405042350439).

Almost surely, 2^{64892185341712} is an apocalyptic number.

It is an amenable number.

64892185341712 is a deficient number, since it is larger than the sum of its proper divisors (63208661667068).

64892185341712 is a wasteful number, since it uses less digits than its factorization.

64892185341712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76523803530 (or 76523803524 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The spelling of 64892185341712 in words is "sixty-four trillion, eight hundred ninety-two billion, one hundred eighty-five million, three hundred forty-one thousand, seven hundred twelve".