1696597913 has 4 divisors (see below), whose sum is σ = 1785892560. Its totient is φ = 1607303268.

The previous prime is 1696597907. The next prime is 1696597927. The reversal of 1696597913 is 3197956961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3197956961 = 23 ⋅139041607.

It is a cyclic number.

It is not a de Polignac number, because 1696597913 - 2⁴ = 1696597897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696597993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44647295 + ... + 44647332.

It is an arithmetic number, because the mean of its divisors is an integer number (446473140).

Almost surely, 2^1696597913 is an apocalyptic number.

It is an amenable number.

1696597913 is a deficient number, since it is larger than the sum of its proper divisors (89294647).

1696597913 is an equidigital number, since it uses as much as digits as its factorization.

1696597913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89294646.

The product of its digits is 2755620, while the sum is 56.

The square root of 1696597913 is about 41189.7792298041. The cubic root of 1696597913 is about 1192.6865163944.

The spelling of 1696597913 in words is "one billion, six hundred ninety-six million, five hundred ninety-seven thousand, nine hundred thirteen".