643242301362 has 12 divisors (see below), whose sum is σ = 1393691652990. Its totient is φ = 214414100448.

The previous prime is 643242301343. The next prime is 643242301369. The reversal of 643242301362 is 263103242346.

643242301362 is a `hidden beast` number, since 6 + 43 + 24 + 230 + 1 + 362 = 666.

643242301362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 466900256601 + 176342044761 = 683301^2 + 419931^2 .

It is a super-2 number, since 2×643242301362² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (643242301369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17867841687 + ... + 17867841722.

Almost surely, 2^643242301362 is an apocalyptic number.

643242301362 is an abundant number, since it is smaller than the sum of its proper divisors (750449351628).

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

643242301362 is a wasteful number, since it uses less digits than its factorization.

643242301362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35735683417 (or 35735683414 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 643242301362 in words is "six hundred forty-three billion, two hundred forty-two million, three hundred one thousand, three hundred sixty-two".