1097867969 has 6 divisors (see below), whose sum is σ = 1206747570. Its totient is φ = 998061680.

The previous prime is 1097867933. The next prime is 1097867983. The reversal of 1097867969 is 9697687901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1092633025 + 5234944 = 33055^2 + 2288^2 .

It is not a de Polignac number, because 1097867969 - 2⁸ = 1097867713 is a prime.

It is a super-2 number, since 2×1097867969² = 2410628154712369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097867269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4536524 + ... + 4536765.

It is an arithmetic number, because the mean of its divisors is an integer number (201124595).

Almost surely, 2^1097867969 is an apocalyptic number.

It is an amenable number.

1097867969 is a deficient number, since it is larger than the sum of its proper divisors (108879601).

1097867969 is an equidigital number, since it uses as much as digits as its factorization.

1097867969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073311 (or 9073300 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 1097867969 is about 33134.0907374867. The cubic root of 1097867969 is about 1031.6127588972.

The spelling of 1097867969 in words is "one billion, ninety-seven million, eight hundred sixty-seven thousand, nine hundred sixty-nine".