1696345813 has 4 divisors (see below), whose sum is σ = 1696841100. Its totient is φ = 1695850528.

The previous prime is 1696345801. The next prime is 1696345817. The reversal of 1696345813 is 3185436961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 665743204 + 1030602609 = 25802^2 + 32103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1696345813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696345817) 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, 242470 + ... + 249367.

It is an arithmetic number, because the mean of its divisors is an integer number (424210275).

Almost surely, 2^1696345813 is an apocalyptic number.

It is an amenable number.

1696345813 is a deficient number, since it is larger than the sum of its proper divisors (495287).

1696345813 is an equidigital number, since it uses as much as digits as its factorization.

1696345813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495286.

The product of its digits is 466560, while the sum is 46.

The square root of 1696345813 is about 41186.7188909240. The cubic root of 1696345813 is about 1192.6274391154.

The spelling of 1696345813 in words is "one billion, six hundred ninety-six million, three hundred forty-five thousand, eight hundred thirteen".