645124441414 has 8 divisors (see below), whose sum is σ = 967691648448. Its totient is φ = 322560558600.

The previous prime is 645124441361. The next prime is 645124441433. The reversal of 645124441414 is 414144421546.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270177 + ... + 1167580.

It is an arithmetic number, because the mean of its divisors is an integer number (120961456056).

Almost surely, 2^645124441414 is an apocalyptic number.

645124441414 is a deficient number, since it is larger than the sum of its proper divisors (322567207034).

645124441414 is a wasteful number, since it uses less digits than its factorization.

645124441414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662110.

The product of its digits is 245760, while the sum is 40.

The spelling of 645124441414 in words is "six hundred forty-five billion, one hundred twenty-four million, four hundred forty-one thousand, four hundred fourteen".