645302555014 has 16 divisors (see below), whose sum is σ = 1046564865360. Its totient is φ = 296645364000.

The previous prime is 645302555003. The next prime is 645302555077. The reversal of 645302555014 is 410555203546.

It is a congruent number.

It is an unprimeable number.

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, 49434369 + ... + 49447420.

It is an arithmetic number, because the mean of its divisors is an integer number (65410304085).

Almost surely, 2^645302555014 is an apocalyptic number.

645302555014 is a deficient number, since it is larger than the sum of its proper divisors (401262310346).

645302555014 is a wasteful number, since it uses less digits than its factorization.

645302555014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98882055.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 645302555014 in words is "six hundred forty-five billion, three hundred two million, five hundred fifty-five thousand, fourteen".