1409873409 has 48 divisors (see below), whose sum is σ = 2363212800. Its totient is φ = 793346400.

The previous prime is 1409873401. The next prime is 1409873417. The reversal of 1409873409 is 9043789041.

It is an interprime number because it is at equal distance from previous prime (1409873401) and next prime (1409873417).

It is not a de Polignac number, because 1409873409 - 2³ = 1409873401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1409873401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1340934 + ... + 1341984.

It is an arithmetic number, because the mean of its divisors is an integer number (49233600).

Almost surely, 2^1409873409 is an apocalyptic number.

It is an amenable number.

1409873409 is a deficient number, since it is larger than the sum of its proper divisors (953339391).

1409873409 is a wasteful number, since it uses less digits than its factorization.

1409873409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1409873409 is about 37548.2810392167. The cubic root of 1409873409 is about 1121.3126109786.

The spelling of 1409873409 in words is "one billion, four hundred nine million, eight hundred seventy-three thousand, four hundred nine".