645416050135 has 8 divisors (see below), whose sum is σ = 799483107456. Its totient is φ = 499676941920.

The previous prime is 645416050127. The next prime is 645416050141. The reversal of 645416050135 is 531050614546.

It is a happy number.

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

It is not a de Polignac number, because 645416050135 - 2³ = 645416050127 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2081987104 + ... + 2081987413.

It is an arithmetic number, because the mean of its divisors is an integer number (99935388432).

Almost surely, 2^645416050135 is an apocalyptic number.

645416050135 is a deficient number, since it is larger than the sum of its proper divisors (154067057321).

645416050135 is a wasteful number, since it uses less digits than its factorization.

645416050135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163974553.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 645416050135 in words is "six hundred forty-five billion, four hundred sixteen million, fifty thousand, one hundred thirty-five".