2345466639 has 4 divisors (see below), whose sum is σ = 3127288856. Its totient is φ = 1563644424.

The previous prime is 2345466637. The next prime is 2345466671. The reversal of 2345466639 is 9366645432.

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

It is not a de Polignac number, because 2345466639 - 2¹ = 2345466637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345466637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 390911104 + ... + 390911109.

It is an arithmetic number, because the mean of its divisors is an integer number (781822214).

Almost surely, 2^2345466639 is an apocalyptic number.

2345466639 is a deficient number, since it is larger than the sum of its proper divisors (781822217).

2345466639 is an equidigital number, since it uses as much as digits as its factorization.

2345466639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781822216.

The product of its digits is 2799360, while the sum is 48.

The square root of 2345466639 is about 48430.0179537443. The cubic root of 2345466639 is about 1328.6474347594.

The spelling of 2345466639 in words is "two billion, three hundred forty-five million, four hundred sixty-six thousand, six hundred thirty-nine".