3136861049 has 16 divisors (see below), whose sum is σ = 3742590720. Its totient is φ = 2570641920.

The previous prime is 3136861037. The next prime is 3136861093. The reversal of 3136861049 is 9401686313.

It is not a de Polignac number, because 3136861049 - 2²⁰ = 3135812473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3136860997 and 3136861015.

It is not an unprimeable number, because it can be changed into a prime (3136861249) 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, 565409 + ... + 570929.

It is an arithmetic number, because the mean of its divisors is an integer number (233911920).

Almost surely, 2^3136861049 is an apocalyptic number.

It is an amenable number.

3136861049 is a deficient number, since it is larger than the sum of its proper divisors (605729671).

3136861049 is a wasteful number, since it uses less digits than its factorization.

3136861049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 3136861049 is about 56007.6874098547. The cubic root of 3136861049 is about 1463.8562361007.

The spelling of 3136861049 in words is "three billion, one hundred thirty-six million, eight hundred sixty-one thousand, forty-nine".