1694342469 has 4 divisors (see below), whose sum is σ = 2259123296. Its totient is φ = 1129561644.

The previous prime is 1694342413. The next prime is 1694342491. The reversal of 1694342469 is 9642434961.

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 not a de Polignac number, because 1694342469 - 2²⁰ = 1693293893 is a prime.

It is a super-2 number, since 2×1694342469² = 5741592804514031922, 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 (1694342669) 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, 282390409 + ... + 282390414.

It is an arithmetic number, because the mean of its divisors is an integer number (564780824).

Almost surely, 2^1694342469 is an apocalyptic number.

It is an amenable number.

1694342469 is a deficient number, since it is larger than the sum of its proper divisors (564780827).

1694342469 is an equidigital number, since it uses as much as digits as its factorization.

1694342469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564780826.

The product of its digits is 1119744, while the sum is 48.

The square root of 1694342469 is about 41162.3914392738. The cubic root of 1694342469 is about 1192.1577659764.

The spelling of 1694342469 in words is "one billion, six hundred ninety-four million, three hundred forty-two thousand, four hundred sixty-nine".