969578409 has 16 divisors (see below), whose sum is σ = 1349712000. Its totient is φ = 617945856.

The previous prime is 969578387. The next prime is 969578429. The reversal of 969578409 is 904875969.

It is not a de Polignac number, because 969578409 - 2²⁹ = 432707497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (969578429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210867 + ... + 215415.

It is an arithmetic number, because the mean of its divisors is an integer number (84357000).

Almost surely, 2^969578409 is an apocalyptic number.

It is an amenable number.

969578409 is a deficient number, since it is larger than the sum of its proper divisors (380133591).

969578409 is a wasteful number, since it uses less digits than its factorization.

969578409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 969578409 is about 31138.0540336097. The cubic root of 969578409 is about 989.7548653350.

The spelling of 969578409 in words is "nine hundred sixty-nine million, five hundred seventy-eight thousand, four hundred nine".