1694454648 has 32 divisors (see below), whose sum is σ = 4277270400. Its totient is φ = 559333728.

The previous prime is 1694454631. The next prime is 1694454649. The reversal of 1694454648 is 8464544961.

It is a self number, because there is not a number n which added to its sum of digits gives 1694454648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694454649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340258 + ... + 345201.

It is an arithmetic number, because the mean of its divisors is an integer number (133664700).

Almost surely, 2^1694454648 is an apocalyptic number.

It is an amenable number.

1694454648 is an abundant number, since it is smaller than the sum of its proper divisors (2582815752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694454648 is a wasteful number, since it uses less digits than its factorization.

1694454648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685571 (or 685567 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 1694454648 is about 41163.7540562082. The cubic root of 1694454648 is about 1192.1840755168.

The spelling of 1694454648 in words is "one billion, six hundred ninety-four million, four hundred fifty-four thousand, six hundred forty-eight".