643503130134 has 16 divisors (see below), whose sum is σ = 1362712511088. Its totient is φ = 201883334912.

The previous prime is 643503130133. The next prime is 643503130141. The reversal of 643503130134 is 431031305346.

It is a junction number, because it is equal to n+sod(n) for n = 643503130095 and 643503130104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (643503130133) 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 7 ways as a sum of consecutive naturals, for example, 3154427007 + ... + 3154427210.

It is an arithmetic number, because the mean of its divisors is an integer number (85169531943).

Almost surely, 2^643503130134 is an apocalyptic number.

643503130134 is an abundant number, since it is smaller than the sum of its proper divisors (719209380954).

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

643503130134 is a wasteful number, since it uses less digits than its factorization.

643503130134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308854239.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 643503130134 in words is "six hundred forty-three billion, five hundred three million, one hundred thirty thousand, one hundred thirty-four".