2009437670 has 16 divisors (see below), whose sum is σ = 3733665408. Its totient is φ = 777846720.

The previous prime is 2009437603. The next prime is 2009437681. The reversal of 2009437670 is 767349002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240719 + ... + 3241338.

It is an arithmetic number, because the mean of its divisors is an integer number (233354088).

Almost surely, 2^2009437670 is an apocalyptic number.

2009437670 is a deficient number, since it is larger than the sum of its proper divisors (1724227738).

2009437670 is a wasteful number, since it uses less digits than its factorization.

2009437670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482095.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2009437670 is about 44826.7517226042. The cubic root of 2009437670 is about 1261.8997273160.

The spelling of 2009437670 in words is "two billion, nine million, four hundred thirty-seven thousand, six hundred seventy".