1694689468 has 6 divisors (see below), whose sum is σ = 2965706576. Its totient is φ = 847344732.

The previous prime is 1694689463. The next prime is 1694689483. The reversal of 1694689468 is 8649864961.

It is a super-3 number, since 3×1694689468³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694689463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211836180 + ... + 211836187.

Almost surely, 2^1694689468 is an apocalyptic number.

It is an amenable number.

1694689468 is a deficient number, since it is larger than the sum of its proper divisors (1271017108).

1694689468 is a wasteful number, since it uses less digits than its factorization.

1694689468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423672371 (or 423672369 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The square root of 1694689468 is about 41166.6062239772. The cubic root of 1694689468 is about 1192.2391445099.

The spelling of 1694689468 in words is "one billion, six hundred ninety-four million, six hundred eighty-nine thousand, four hundred sixty-eight".