64718241197 has 8 divisors (see below), whose sum is σ = 65570601600. Its totient is φ = 63866709504.

The previous prime is 64718241191. The next prime is 64718241221. The reversal of 64718241197 is 79114281746.

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 64718241197 - 2¹⁶ = 64718175661 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 (64718241191) 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, 49172 + ... + 363117.

It is an arithmetic number, because the mean of its divisors is an integer number (8196325200).

Almost surely, 2^64718241197 is an apocalyptic number.

It is an amenable number.

64718241197 is a deficient number, since it is larger than the sum of its proper divisors (852360403).

64718241197 is a wasteful number, since it uses less digits than its factorization.

64718241197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414355.

The product of its digits is 677376, while the sum is 50.

The spelling of 64718241197 in words is "sixty-four billion, seven hundred eighteen million, two hundred forty-one thousand, one hundred ninety-seven".