1696368969 has 9 divisors (see below), whose sum is σ = 2450489223. Its totient is φ = 1130830272.

The previous prime is 1696368967. The next prime is 1696368977. The reversal of 1696368969 is 9698636961.

The square root of 1696368969 is 41187.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 623151369 + 1073217600 = 24963^2 + 32760^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1696368969 - 2¹ = 1696368967 is a prime.

It is a super-2 number, since 2×1696368969² = 5755335357972245922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1696368967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 116697 + ... + 130425.

Almost surely, 2^1696368969 is an apocalyptic number.

1696368969 is the 41187-th square number.

1696368969 is the 20594-th centered octagonal number.

It is an amenable number.

1696368969 is a deficient number, since it is larger than the sum of its proper divisors (754120254).

1696368969 is an frugal number, since it uses more digits than its factorization.

1696368969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27464 (or 13732 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The cubic root of 1696368969 is about 1192.6328657517.

The spelling of 1696368969 in words is "one billion, six hundred ninety-six million, three hundred sixty-eight thousand, nine hundred sixty-nine".