969671641 has 2 divisors, whose sum is σ = 969671642. Its totient is φ = 969671640.

The previous prime is 969671603. The next prime is 969671671. The reversal of 969671641 is 146176969.

969671641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965655625 + 4016016 = 31075^2 + 2004^2 .

It is an emirp because it is prime and its reverse (146176969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969671641 - 2¹³ = 969663449 is a prime.

It is not a weakly prime, because it can be changed into another prime (969671671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484835820 + 484835821.

It is an arithmetic number, because the mean of its divisors is an integer number (484835821).

Almost surely, 2^969671641 is an apocalyptic number.

It is an amenable number.

969671641 is a deficient number, since it is larger than the sum of its proper divisors (1).

969671641 is an equidigital number, since it uses as much as digits as its factorization.

969671641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 969671641 is about 31139.5510725508. The cubic root of 969671641 is about 989.7865883558.

The spelling of 969671641 in words is "nine hundred sixty-nine million, six hundred seventy-one thousand, six hundred forty-one".