1691324084 has 24 divisors (see below), whose sum is σ = 3149697600. Its totient is φ = 791911296.

The previous prime is 1691324053. The next prime is 1691324143. The reversal of 1691324084 is 4804231961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48962 + ... + 76025.

It is an arithmetic number, because the mean of its divisors is an integer number (131237400).

Almost surely, 2^1691324084 is an apocalyptic number.

It is an amenable number.

1691324084 is a deficient number, since it is larger than the sum of its proper divisors (1458373516).

1691324084 is a wasteful number, since it uses less digits than its factorization.

1691324084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125207 (or 125205 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1691324084 is about 41125.7107415787. The cubic root of 1691324084 is about 1191.4494223593.

The spelling of 1691324084 in words is "one billion, six hundred ninety-one million, three hundred twenty-four thousand, eighty-four".