645960468301 has 8 divisors (see below), whose sum is σ = 652389938784. Its totient is φ = 639531661200.

The previous prime is 645960468281. The next prime is 645960468313. The reversal of 645960468301 is 103864069546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 645960468301 - 2²⁹ = 645423597389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645960468001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921350 + ... + 2232376.

It is an arithmetic number, because the mean of its divisors is an integer number (81548742348).

Almost surely, 2^645960468301 is an apocalyptic number.

It is an amenable number.

645960468301 is a deficient number, since it is larger than the sum of its proper divisors (6429470483).

645960468301 is a wasteful number, since it uses less digits than its factorization.

645960468301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331691.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 645960468301 in words is "six hundred forty-five billion, nine hundred sixty million, four hundred sixty-eight thousand, three hundred one".