394700622319 has 4 divisors (see below), whose sum is σ = 405368206744. Its totient is φ = 384033037896.

The previous prime is 394700622313. The next prime is 394700622361. The reversal of 394700622319 is 913226007493.

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

It is a cyclic number.

It is not a de Polignac number, because 394700622319 - 2¹⁹ = 394700098031 is a prime.

It is a super-2 number, since 2×394700622319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394700622313) 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, 5333792157 + ... + 5333792230.

It is an arithmetic number, because the mean of its divisors is an integer number (101342051686).

Almost surely, 2^394700622319 is an apocalyptic number.

394700622319 is a deficient number, since it is larger than the sum of its proper divisors (10667584425).

394700622319 is a wasteful number, since it uses less digits than its factorization.

394700622319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667584424.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 394700622319 in words is "three hundred ninety-four billion, seven hundred million, six hundred twenty-two thousand, three hundred nineteen".