394288611379 has 4 divisors (see below), whose sum is σ = 424618504576. Its totient is φ = 363958718184.

The previous prime is 394288611329. The next prime is 394288611391. The reversal of 394288611379 is 973116882493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973116882493 = 7 ⋅139016697499.

It is a cyclic number.

It is not a de Polignac number, because 394288611379 - 2¹¹ = 394288609331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394288611329) 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, 15164946579 + ... + 15164946604.

It is an arithmetic number, because the mean of its divisors is an integer number (106154626144).

Almost surely, 2^394288611379 is an apocalyptic number.

394288611379 is a deficient number, since it is larger than the sum of its proper divisors (30329893197).

394288611379 is a wasteful number, since it uses less digits than its factorization.

394288611379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30329893196.

The product of its digits is 15676416, while the sum is 61.

The spelling of 394288611379 in words is "three hundred ninety-four billion, two hundred eighty-eight million, six hundred eleven thousand, three hundred seventy-nine".