969561159 has 32 divisors (see below), whose sum is σ = 1543885824. Its totient is φ = 529182720.

The previous prime is 969561149. The next prime is 969561179. The reversal of 969561159 is 951165969.

It is a happy number.

969561159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 969561159 - 2¹³ = 969552967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969561139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556029 + ... + 557769.

It is an arithmetic number, because the mean of its divisors is an integer number (48246432).

Almost surely, 2^969561159 is an apocalyptic number.

969561159 is a deficient number, since it is larger than the sum of its proper divisors (574324665).

969561159 is a wasteful number, since it uses less digits than its factorization.

969561159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

The product of its digits is 656100, while the sum is 51.

The square root of 969561159 is about 31137.7770401164. Note that the first 3 decimals coincide. The cubic root of 969561159 is about 989.7489956455.

The spelling of 969561159 in words is "nine hundred sixty-nine million, five hundred sixty-one thousand, one hundred fifty-nine".