2064729223872 has 224 divisors, whose sum is σ = 7160830423040. Its totient is φ = 570892769280.

The previous prime is 2064729223871. The next prime is 2064729223897. The reversal of 2064729223872 is 2783229274602.

2064729223872 is a `hidden beast` number, since 2 + 0 + 6 + 472 + 92 + 2 + 3 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×2064729223872² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2064729223871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2378173 + ... + 3128124.

It is an arithmetic number, because the mean of its divisors is an integer number (31967992960).

Almost surely, 2^{2064729223872} is an apocalyptic number.

It is an amenable number.

2064729223872 is an abundant number, since it is smaller than the sum of its proper divisors (5096101199168).

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

2064729223872 is a wasteful number, since it uses less digits than its factorization.

2064729223872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506356 (or 5506340 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 2064729223872 in words is "two trillion, sixty-four billion, seven hundred twenty-nine million, two hundred twenty-three thousand, eight hundred seventy-two".