2009240025964 has 6 divisors (see below), whose sum is σ = 3516170045444. Its totient is φ = 1004620012980.

The previous prime is 2009240025929. The next prime is 2009240026033. The reversal of 2009240025964 is 4695200429002.

It is a self number, because there is not a number n which added to its sum of digits gives 2009240025964.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251155003242 + ... + 251155003249.

Almost surely, 2^{2009240025964} is an apocalyptic number.

It is an amenable number.

2009240025964 is a deficient number, since it is larger than the sum of its proper divisors (1506930019480).

2009240025964 is a wasteful number, since it uses less digits than its factorization.

2009240025964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502310006495 (or 502310006493 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 2009240025964 in words is "two trillion, nine billion, two hundred forty million, twenty-five thousand, nine hundred sixty-four".