8940566347489 has 4 divisors (see below), whose sum is σ = 10217790111424. Its totient is φ = 7663342583556.

The previous prime is 8940566347451. The next prime is 8940566347529. The reversal of 8940566347489 is 9847436650498.

8940566347489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8940566347489 - 2¹⁹ = 8940565823201 is a prime.

It is a super-2 number, since 2×8940566347489² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8940566347429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638611881957 + ... + 638611881970.

It is an arithmetic number, because the mean of its divisors is an integer number (2554447527856).

Almost surely, 2^{8940566347489} is an apocalyptic number.

It is an amenable number.

8940566347489 is a deficient number, since it is larger than the sum of its proper divisors (1277223763935).

8940566347489 is a wasteful number, since it uses less digits than its factorization.

8940566347489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277223763934.

The product of its (nonzero) digits is 1254113280, while the sum is 73.

The spelling of 8940566347489 in words is "eight trillion, nine hundred forty billion, five hundred sixty-six million, three hundred forty-seven thousand, four hundred eighty-nine".