1029999969 has 48 divisors (see below), whose sum is σ = 1600639040. Its totient is φ = 661348800.

The previous prime is 1029999953. The next prime is 1029999973. The reversal of 1029999969 is 9699999201.

1029999969 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 1029999969 - 2⁴ = 1029999953 is a prime.

It is a super-2 number, since 2×1029999969² = 2121799872280001922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029999169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979494 + ... + 980544.

Almost surely, 2^1029999969 is an apocalyptic number.

It is an amenable number.

1029999969 is a deficient number, since it is larger than the sum of its proper divisors (570639071).

1029999969 is a wasteful number, since it uses less digits than its factorization.

1029999969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 6377292, while the sum is 63.

The square root of 1029999969 is about 32093.6125888003. The cubic root of 1029999969 is about 1009.9016239183.

The spelling of 1029999969 in words is "one billion, twenty-nine million, nine hundred ninety-nine thousand, nine hundred sixty-nine".