2064201727434 has 160 divisors (see below), whose sum is σ = 5281320187584. Its totient is φ = 533370378240.

The previous prime is 2064201727433. The next prime is 2064201727453. The reversal of 2064201727434 is 4347271024602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2064201727433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30550192 + ... + 30617684.

Almost surely, 2^{2064201727434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064201727434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2640660093792).

2064201727434 is an abundant number, since it is smaller than the sum of its proper divisors (3217118460150).

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

2064201727434 is a wasteful number, since it uses less digits than its factorization.

2064201727434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67730 (or 67709 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 2064201727434 in words is "two trillion, sixty-four billion, two hundred one million, seven hundred twenty-seven thousand, four hundred thirty-four".