2394105888639 has 4 divisors (see below), whose sum is σ = 3192141184856. Its totient is φ = 1596070592424.

The previous prime is 2394105888619. The next prime is 2394105888667. The reversal of 2394105888639 is 9368885014932.

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

It is not a de Polignac number, because 2394105888639 - 2¹¹ = 2394105886591 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 2394105888639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2394105888619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399017648104 + ... + 399017648109.

It is an arithmetic number, because the mean of its divisors is an integer number (798035296214).

Almost surely, 2^{2394105888639} is an apocalyptic number.

2394105888639 is a deficient number, since it is larger than the sum of its proper divisors (798035296217).

2394105888639 is an equidigital number, since it uses as much as digits as its factorization.

2394105888639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798035296216.

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 2394105888639 in words is "two trillion, three hundred ninety-four billion, one hundred five million, eight hundred eighty-eight thousand, six hundred thirty-nine".