642471003082 has 16 divisors (see below), whose sum is σ = 1020614202432. Its totient is φ = 302274383040.

The previous prime is 642471003073. The next prime is 642471003089. The reversal of 642471003082 is 280300174246.

It is not an unprimeable number, because it can be changed into a prime (642471003089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867644 + ... + 2184727.

It is an arithmetic number, because the mean of its divisors is an integer number (63788387652).

Almost surely, 2^642471003082 is an apocalyptic number.

642471003082 is a deficient number, since it is larger than the sum of its proper divisors (378143199350).

642471003082 is a wasteful number, since it uses less digits than its factorization.

642471003082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057053.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 642471003082 in words is "six hundred forty-two billion, four hundred seventy-one million, three thousand, eighty-two".