2378539009 has 16 divisors (see below), whose sum is σ = 2966520960. Its totient is φ = 1852738560.

The previous prime is 2378538989. The next prime is 2378539013. The reversal of 2378539009 is 9009358732.

It is a cyclic number.

It is not a de Polignac number, because 2378539009 - 2⁵ = 2378538977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2378539009.

It is not an unprimeable number, because it can be changed into a prime (2378539019) 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 15 ways as a sum of consecutive naturals, for example, 396577 + ... + 402529.

It is an arithmetic number, because the mean of its divisors is an integer number (185407560).

Almost surely, 2^2378539009 is an apocalyptic number.

It is an amenable number.

2378539009 is a deficient number, since it is larger than the sum of its proper divisors (587981951).

2378539009 is a wasteful number, since it uses less digits than its factorization.

2378539009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2378539009 is about 48770.2676740655. The cubic root of 2378539009 is about 1334.8631970428.

The spelling of 2378539009 in words is "two billion, three hundred seventy-eight million, five hundred thirty-nine thousand, nine".