1696672699 has 4 divisors (see below), whose sum is σ = 1697416864. Its totient is φ = 1695928536.

The previous prime is 1696672667. The next prime is 1696672741. The reversal of 1696672699 is 9962766961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9962766961 = 7 ⋅1423252423.

It is a cyclic number.

It is not a de Polignac number, because 1696672699 - 2⁵ = 1696672667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696672799) 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, 368652 + ... + 373225.

It is an arithmetic number, because the mean of its divisors is an integer number (424354216).

Almost surely, 2^1696672699 is an apocalyptic number.

1696672699 is a deficient number, since it is larger than the sum of its proper divisors (744165).

1696672699 is an equidigital number, since it uses as much as digits as its factorization.

1696672699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744164.

The product of its digits is 13226976, while the sum is 61.

The square root of 1696672699 is about 41190.6870420973. The cubic root of 1696672699 is about 1192.7040406690.

The spelling of 1696672699 in words is "one billion, six hundred ninety-six million, six hundred seventy-two thousand, six hundred ninety-nine".