1920009513 has 8 divisors (see below), whose sum is σ = 2629202368. Its totient is φ = 1245411504.

The previous prime is 1920009503. The next prime is 1920009517. The reversal of 1920009513 is 3159000291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1920009513 - 2⁶ = 1920009449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920009517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8648581 + ... + 8648802.

It is an arithmetic number, because the mean of its divisors is an integer number (328650296).

Almost surely, 2^1920009513 is an apocalyptic number.

It is an amenable number.

1920009513 is a deficient number, since it is larger than the sum of its proper divisors (709192855).

1920009513 is a wasteful number, since it uses less digits than its factorization.

1920009513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297423.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1920009513 is about 43817.9131520432. The cubic root of 1920009513 is about 1242.8950550936.

The spelling of 1920009513 in words is "one billion, nine hundred twenty million, nine thousand, five hundred thirteen".