3159479534069 has 4 divisors (see below), whose sum is σ = 3160617268044. Its totient is φ = 3158341800096.

The previous prime is 3159479534047. The next prime is 3159479534087. The reversal of 3159479534069 is 9604359749513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1100432470225 + 2059047063844 = 1049015^2 + 1434938^2 .

It is a cyclic number.

It is not a de Polignac number, because 3159479534069 - 2⁸ = 3159479533813 is a prime.

It is a super-2 number, since 2×3159479534069² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3159479533996 and 3159479534014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3159479534969) 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, 568862822 + ... + 568868375.

It is an arithmetic number, because the mean of its divisors is an integer number (790154317011).

Almost surely, 2^{3159479534069} is an apocalyptic number.

It is an amenable number.

3159479534069 is a deficient number, since it is larger than the sum of its proper divisors (1137733975).

3159479534069 is a wasteful number, since it uses less digits than its factorization.

3159479534069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137733974.

The product of its (nonzero) digits is 110224800, while the sum is 65.

The spelling of 3159479534069 in words is "three trillion, one hundred fifty-nine billion, four hundred seventy-nine million, five hundred thirty-four thousand, sixty-nine".