2839956230465 has 4 divisors (see below), whose sum is σ = 3407947476564. Its totient is φ = 2271964984368.

The previous prime is 2839956230429. The next prime is 2839956230479. The reversal of 2839956230465 is 5640326599382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1881736471696 + 958219758769 = 1371764^2 + 978887^2 .

It is a cyclic number.

It is not a de Polignac number, because 2839956230465 - 2²² = 2839952036161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2839956230398 and 2839956230407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283995623042 + ... + 283995623051.

It is an arithmetic number, because the mean of its divisors is an integer number (851986869141).

Almost surely, 2^{2839956230465} is an apocalyptic number.

It is an amenable number.

2839956230465 is a deficient number, since it is larger than the sum of its proper divisors (567991246099).

2839956230465 is an equidigital number, since it uses as much as digits as its factorization.

2839956230465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567991246098.

The product of its (nonzero) digits is 83980800, while the sum is 62.

The spelling of 2839956230465 in words is "two trillion, eight hundred thirty-nine billion, nine hundred fifty-six million, two hundred thirty thousand, four hundred sixty-five".