969513129 has 12 divisors (see below), whose sum is σ = 1508131716. Its totient is φ = 596623392.

The previous prime is 969513121. The next prime is 969513173. The reversal of 969513129 is 921315969.

It is a happy number.

969513129 is a `hidden beast` number, since 9 + 6 + 9 + 513 + 129 = 666.

969513129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 414203904 + 555309225 = 20352^2 + 23565^2 .

It is not a de Polignac number, because 969513129 - 2³ = 969513121 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (969513121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4143102 + ... + 4143335.

It is an arithmetic number, because the mean of its divisors is an integer number (125677643).

Almost surely, 2^969513129 is an apocalyptic number.

It is an amenable number.

969513129 is a deficient number, since it is larger than the sum of its proper divisors (538618587).

969513129 is a wasteful number, since it uses less digits than its factorization.

969513129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286456 (or 8286453 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 969513129 is about 31137.0057809032. The cubic root of 969513129 is about 989.7326520214.

The spelling of 969513129 in words is "nine hundred sixty-nine million, five hundred thirteen thousand, one hundred twenty-nine".