969555271489 has 4 divisors (see below), whose sum is σ = 1108063167424. Its totient is φ = 831047375556.

The previous prime is 969555271481. The next prime is 969555271507. The reversal of 969555271489 is 984172555969.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984172555969 = 11677 ⋅84282997.

It is a cyclic number.

It is not a de Polignac number, because 969555271489 - 2³ = 969555271481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969555271481) 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, 69253947957 + ... + 69253947970.

It is an arithmetic number, because the mean of its divisors is an integer number (277015791856).

Almost surely, 2^969555271489 is an apocalyptic number.

It is an amenable number.

969555271489 is a deficient number, since it is larger than the sum of its proper divisors (138507895935).

969555271489 is a wasteful number, since it uses less digits than its factorization.

969555271489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138507895934.

The product of its digits is 244944000, while the sum is 70.

The spelling of 969555271489 in words is "nine hundred sixty-nine billion, five hundred fifty-five million, two hundred seventy-one thousand, four hundred eighty-nine".