64042791871197 has 8 divisors (see below), whose sum is σ = 85392021668544. Its totient is φ = 42694378327328.

The previous prime is 64042791871111. The next prime is 64042791871259. The reversal of 64042791871197 is 79117819724046.

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 64042791871197 - 2¹⁴ = 64042791854813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64042791871697) 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, 203880273 + ... + 204194150.

It is an arithmetic number, because the mean of its divisors is an integer number (10674002708568).

Almost surely, 2^{64042791871197} is an apocalyptic number.

It is an amenable number.

64042791871197 is a deficient number, since it is larger than the sum of its proper divisors (21349229797347).

64042791871197 is a wasteful number, since it uses less digits than its factorization.

64042791871197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408126739.

The product of its (nonzero) digits is 42674688, while the sum is 66.

The spelling of 64042791871197 in words is "sixty-four trillion, forty-two billion, seven hundred ninety-one million, eight hundred seventy-one thousand, one hundred ninety-seven".