3489686143456 has 24 divisors (see below), whose sum is σ = 6875983578744. Its totient is φ = 1743404599680.

The previous prime is 3489686143453. The next prime is 3489686143469. The reversal of 3489686143456 is 6543416869843.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3489686143391 and 3489686143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3489686143451) 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, 44912830 + ... + 44990461.

It is an arithmetic number, because the mean of its divisors is an integer number (286499315781).

Almost surely, 2^{3489686143456} is an apocalyptic number.

It is an amenable number.

3489686143456 is a deficient number, since it is larger than the sum of its proper divisors (3386297435288).

3489686143456 is a wasteful number, since it uses less digits than its factorization.

3489686143456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89904514 (or 89904506 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 67.

The spelling of 3489686143456 in words is "three trillion, four hundred eighty-nine billion, six hundred eighty-six million, one hundred forty-three thousand, four hundred fifty-six".