645301404011 has 8 divisors (see below), whose sum is σ = 704020564224. Its totient is φ = 586591476520.

The previous prime is 645301403993. The next prime is 645301404031. The reversal of 645301404011 is 110404103546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-645301404011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (645301404031) 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, 2161631 + ... + 2441976.

It is an arithmetic number, because the mean of its divisors is an integer number (88002570528).

Almost surely, 2^645301404011 is an apocalyptic number.

645301404011 is a deficient number, since it is larger than the sum of its proper divisors (58719160213).

645301404011 is a wasteful number, since it uses less digits than its factorization.

645301404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616361.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 645301404011 its reverse (110404103546), we get a palindrome (755705507557).

The spelling of 645301404011 in words is "six hundred forty-five billion, three hundred one million, four hundred four thousand, eleven".