9640574019677 has 8 divisors (see below), whose sum is σ = 9716695305216. Its totient is φ = 9564456035232.

The previous prime is 9640574019667. The next prime is 9640574019697. The reversal of 9640574019677 is 7769104750469.

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 9640574019677 - 2¹⁰ = 9640574018653 is a prime.

It is a super-2 number, since 2×9640574019677² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640574019667) 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, 5212298 + ... + 6815364.

It is an arithmetic number, because the mean of its divisors is an integer number (1214586913152).

Almost surely, 2^{9640574019677} is an apocalyptic number.

It is an amenable number.

9640574019677 is a deficient number, since it is larger than the sum of its proper divisors (76121285539).

9640574019677 is a wasteful number, since it uses less digits than its factorization.

9640574019677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650547.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 9640574019677 in words is "nine trillion, six hundred forty billion, five hundred seventy-four million, nineteen thousand, six hundred seventy-seven".