1699919424 has 84 divisors (see below), whose sum is σ = 5568598464. Its totient is φ = 485690112.

The previous prime is 1699919423. The next prime is 1699919449. The reversal of 1699919424 is 4249199961.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1699919423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206772 + ... + 214835.

Almost surely, 2^1699919424 is an apocalyptic number.

1699919424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1699919424 is an abundant number, since it is smaller than the sum of its proper divisors (3868679040).

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

1699919424 is a wasteful number, since it uses less digits than its factorization.

1699919424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421632 (or 421619 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 1699919424 is about 41230.0791170718. The cubic root of 1699919424 is about 1193.4643355311.

The spelling of 1699919424 in words is "one billion, six hundred ninety-nine million, nine hundred nineteen thousand, four hundred twenty-four".