3138461849 has 8 divisors (see below), whose sum is σ = 3276968640. Its totient is φ = 3000126096.

The previous prime is 3138461797. The next prime is 3138461863. The reversal of 3138461849 is 9481648313.

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 3138461849 - 2²⁴ = 3121684633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3138461899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4514 + ... + 79355.

It is an arithmetic number, because the mean of its divisors is an integer number (409621080).

Almost surely, 2^3138461849 is an apocalyptic number.

It is an amenable number.

3138461849 is a deficient number, since it is larger than the sum of its proper divisors (138506791).

3138461849 is a wasteful number, since it uses less digits than its factorization.

3138461849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85519.

The product of its digits is 497664, while the sum is 47.

The square root of 3138461849 is about 56021.9764824484. The cubic root of 3138461849 is about 1464.1052050032.

The spelling of 3138461849 in words is "three billion, one hundred thirty-eight million, four hundred sixty-one thousand, eight hundred forty-nine".