969642053 has 2 divisors, whose sum is σ = 969642054. Its totient is φ = 969642052.

The previous prime is 969642041. The next prime is 969642083. The reversal of 969642053 is 350246969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920333569 + 49308484 = 30337^2 + 7022^2 .

It is a cyclic number.

It is not a de Polignac number, because 969642053 - 2⁶ = 969641989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 969641995 and 969642013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969642083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484821026 + 484821027.

It is an arithmetic number, because the mean of its divisors is an integer number (484821027).

Almost surely, 2^969642053 is an apocalyptic number.

It is an amenable number.

969642053 is a deficient number, since it is larger than the sum of its proper divisors (1).

969642053 is an equidigital number, since it uses as much as digits as its factorization.

969642053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 969642053 is about 31139.0759817950. The cubic root of 969642053 is about 989.7765209947.

The spelling of 969642053 in words is "nine hundred sixty-nine million, six hundred forty-two thousand, fifty-three".