394224865151 has 8 divisors (see below), whose sum is σ = 427604172240. Its totient is φ = 361281889152.

The previous prime is 394224865093. The next prime is 394224865169. The reversal of 394224865151 is 151568422493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394224865151 - 2¹⁰ = 394224864127 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 394224865151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394224865171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109080890 + ... + 109084503.

It is an arithmetic number, because the mean of its divisors is an integer number (53450521530).

Almost surely, 2^394224865151 is an apocalyptic number.

394224865151 is a deficient number, since it is larger than the sum of its proper divisors (33379307089).

394224865151 is a wasteful number, since it uses less digits than its factorization.

394224865151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218165545.

The product of its digits is 2073600, while the sum is 50.

The spelling of 394224865151 in words is "three hundred ninety-four billion, two hundred twenty-four million, eight hundred sixty-five thousand, one hundred fifty-one".