1696944469 has 4 divisors (see below), whose sum is σ = 1851212160. Its totient is φ = 1542676780.

The previous prime is 1696944463. The next prime is 1696944527. The reversal of 1696944469 is 9644496961.

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.

It is a cyclic number.

It is not a de Polignac number, because 1696944469 - 2¹⁵ = 1696911701 is a prime.

It is a super-2 number, since 2×1696944469² = 5759241061739383922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696944463) 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, 77133829 + ... + 77133850.

It is an arithmetic number, because the mean of its divisors is an integer number (462803040).

Almost surely, 2^1696944469 is an apocalyptic number.

It is an amenable number.

1696944469 is a deficient number, since it is larger than the sum of its proper divisors (154267691).

1696944469 is a wasteful number, since it uses less digits than its factorization.

1696944469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154267690.

The product of its digits is 10077696, while the sum is 58.

The square root of 1696944469 is about 41193.9858353134. The cubic root of 1696944469 is about 1192.7677190029.

The spelling of 1696944469 in words is "one billion, six hundred ninety-six million, nine hundred forty-four thousand, four hundred sixty-nine".