3129847133461 has 16 divisors (see below), whose sum is σ = 3187169508096. Its totient is φ = 3072724200000.

The previous prime is 3129847133449. The next prime is 3129847133513. The reversal of 3129847133461 is 1643317489213.

It is a cyclic number.

It is not a de Polignac number, because 3129847133461 - 2⁴¹ = 930823877909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3129847133399 and 3129847133408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129847133761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72276226 + ... + 72319516.

It is an arithmetic number, because the mean of its divisors is an integer number (199198094256).

Almost surely, 2^{3129847133461} is an apocalyptic number.

It is an amenable number.

3129847133461 is a deficient number, since it is larger than the sum of its proper divisors (57322374635).

3129847133461 is a wasteful number, since it uses less digits than its factorization.

3129847133461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45564.

The product of its digits is 2612736, while the sum is 52.

The spelling of 3129847133461 in words is "three trillion, one hundred twenty-nine billion, eight hundred forty-seven million, one hundred thirty-three thousand, four hundred sixty-one".