1699368613 has 4 divisors (see below), whose sum is σ = 1735525440. Its totient is φ = 1663211788.

The previous prime is 1699368527. The next prime is 1699368617. The reversal of 1699368613 is 3168639961.

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: 3168639961 = 211 ⋅15017251.

It is a cyclic number.

It is not a de Polignac number, because 1699368613 - 2²⁹ = 1162497701 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 (1699368617) 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, 18078343 + ... + 18078436.

It is an arithmetic number, because the mean of its divisors is an integer number (433881360).

Almost surely, 2^1699368613 is an apocalyptic number.

It is an amenable number.

1699368613 is a deficient number, since it is larger than the sum of its proper divisors (36156827).

1699368613 is an equidigital number, since it uses as much as digits as its factorization.

1699368613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36156826.

The product of its digits is 1259712, while the sum is 52.

The square root of 1699368613 is about 41223.3988530786. The cubic root of 1699368613 is about 1193.3354187740.

The spelling of 1699368613 in words is "one billion, six hundred ninety-nine million, three hundred sixty-eight thousand, six hundred thirteen".