1097707969 has 16 divisors (see below), whose sum is σ = 1179713808. Its totient is φ = 1017741312.

The previous prime is 1097707937. The next prime is 1097707973. The reversal of 1097707969 is 9697077901.

It can be written as a sum of positive squares in 8 ways, for example, as 2958400 + 1094749569 = 1720^2 + 33087^2 .

It is not a de Polignac number, because 1097707969 - 2⁵ = 1097707937 is a prime.

It is a super-2 number, since 2×1097707969² = 2409925570412209922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097707469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382789 + ... + 385645.

It is an arithmetic number, because the mean of its divisors is an integer number (73732113).

Almost surely, 2^1097707969 is an apocalyptic number.

It is an amenable number.

1097707969 is a deficient number, since it is larger than the sum of its proper divisors (82005839).

1097707969 is a wasteful number, since it uses less digits than its factorization.

1097707969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 1500282, while the sum is 55.

The square root of 1097707969 is about 33131.6762177829. The cubic root of 1097707969 is about 1031.5626417414.

The spelling of 1097707969 in words is "one billion, ninety-seven million, seven hundred seven thousand, nine hundred sixty-nine".