645960468302 has 16 divisors (see below), whose sum is σ = 1026634735872. Its totient is φ = 303774723840.

The previous prime is 645960468281. The next prime is 645960468313. The reversal of 645960468302 is 203864069546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6407783 + ... + 6507810.

It is an arithmetic number, because the mean of its divisors is an integer number (64164670992).

Almost surely, 2^645960468302 is an apocalyptic number.

645960468302 is a deficient number, since it is larger than the sum of its proper divisors (380674267570).

645960468302 is a wasteful number, since it uses less digits than its factorization.

645960468302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917083.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 645960468302 in words is "six hundred forty-five billion, nine hundred sixty million, four hundred sixty-eight thousand, three hundred two".