2169493420 has 24 divisors (see below), whose sum is σ = 4823933184. Its totient is φ = 816750336.

The previous prime is 2169493309. The next prime is 2169493463. The reversal of 2169493420 is 243949612.

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, 3190092 + ... + 3190771.

It is an arithmetic number, because the mean of its divisors is an integer number (200997216).

Almost surely, 2^2169493420 is an apocalyptic number.

2169493420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169493420 is an abundant number, since it is smaller than the sum of its proper divisors (2654439764).

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

2169493420 is a wasteful number, since it uses less digits than its factorization.

2169493420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380889 (or 6380887 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2169493420 is about 46577.8211169222. The cubic root of 2169493420 is about 1294.5518382835.

The spelling of 2169493420 in words is "two billion, one hundred sixty-nine million, four hundred ninety-three thousand, four hundred twenty".