1409873642 has 16 divisors (see below), whose sum is σ = 2260585152. Its totient is φ = 657840480.

The previous prime is 1409873639. The next prime is 1409873687. The reversal of 1409873642 is 2463789041.

It is a junction number, because it is equal to n+sod(n) for n = 1409873593 and 1409873602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371888 + ... + 375659.

It is an arithmetic number, because the mean of its divisors is an integer number (141286572).

Almost surely, 2^1409873642 is an apocalyptic number.

1409873642 is a deficient number, since it is larger than the sum of its proper divisors (850711510).

1409873642 is a wasteful number, since it uses less digits than its factorization.

1409873642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747613.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1409873642 is about 37548.2841418886. The cubic root of 1409873642 is about 1121.3126727491.

The spelling of 1409873642 in words is "one billion, four hundred nine million, eight hundred seventy-three thousand, six hundred forty-two".