645310577110 has 8 divisors (see below), whose sum is σ = 1161559038816. Its totient is φ = 258124230840.

The previous prime is 645310577063. The next prime is 645310577147. The reversal of 645310577110 is 11775013546.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32265528846 + ... + 32265528865.

It is an arithmetic number, because the mean of its divisors is an integer number (145194879852).

Almost surely, 2^645310577110 is an apocalyptic number.

645310577110 is a deficient number, since it is larger than the sum of its proper divisors (516248461706).

645310577110 is a wasteful number, since it uses less digits than its factorization.

645310577110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64531057718.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 645310577110 in words is "six hundred forty-five billion, three hundred ten million, five hundred seventy-seven thousand, one hundred ten".