391229846159 has 4 divisors (see below), whose sum is σ = 391448534280. Its totient is φ = 391011158040.

The previous prime is 391229846143. The next prime is 391229846173. The reversal of 391229846159 is 951648922193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951648922193 = 151 ⋅6302310743.

It is a cyclic number.

It is not a de Polignac number, because 391229846159 - 2⁴ = 391229846143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 391229846098 and 391229846107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391229836159) 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, 109341377 + ... + 109344954.

It is an arithmetic number, because the mean of its divisors is an integer number (97862133570).

Almost surely, 2^391229846159 is an apocalyptic number.

391229846159 is a deficient number, since it is larger than the sum of its proper divisors (218688121).

391229846159 is a wasteful number, since it uses less digits than its factorization.

391229846159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218688120.

The product of its digits is 8398080, while the sum is 59.

The spelling of 391229846159 in words is "three hundred ninety-one billion, two hundred twenty-nine million, eight hundred forty-six thousand, one hundred fifty-nine".