1011008969 has 2 divisors, whose sum is σ = 1011008970. Its totient is φ = 1011008968.

The previous prime is 1011008951. The next prime is 1011008993. The reversal of 1011008969 is 9698001101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009015225 + 1993744 = 31765^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011008969 - 2¹⁶ = 1010943433 is a prime.

It is a super-2 number, since 2×1011008969² = 2044278270796885922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011008569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505504484 + 505504485.

It is an arithmetic number, because the mean of its divisors is an integer number (505504485).

Almost surely, 2^1011008969 is an apocalyptic number.

It is an amenable number.

1011008969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011008969 is an equidigital number, since it uses as much as digits as its factorization.

1011008969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1011008969 is about 31796.3672296066. The cubic root of 1011008969 is about 1003.6562717177.

The spelling of 1011008969 in words is "one billion, eleven million, eight thousand, nine hundred sixty-nine".