969259999 has 2 divisors, whose sum is σ = 969260000. Its totient is φ = 969259998.

The previous prime is 969259969. The next prime is 969260003. The reversal of 969259999 is 999952969.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969259999 is a prime.

It is a super-3 number, since 3×969259999³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969259969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484629999 + 484630000.

It is an arithmetic number, because the mean of its divisors is an integer number (484630000).

Almost surely, 2^969259999 is an apocalyptic number.

969259999 is a deficient number, since it is larger than the sum of its proper divisors (1).

969259999 is an equidigital number, since it uses as much as digits as its factorization.

969259999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31886460, while the sum is 67.

The square root of 969259999 is about 31132.9407380671. The cubic root of 969259999 is about 989.6465081534.

The spelling of 969259999 in words is "nine hundred sixty-nine million, two hundred fifty-nine thousand, nine hundred ninety-nine".