4891046131 has 4 divisors (see below), whose sum is σ = 4895847000. Its totient is φ = 4886245264.

The previous prime is 4891046123. The next prime is 4891046141. The reversal of 4891046131 is 1316401984.

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

It is a cyclic number.

It is not a de Polignac number, because 4891046131 - 2³ = 4891046123 is a prime.

It is a super-2 number, since 2×4891046131² = 47844664511140138322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4891046141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398906 + ... + 2400943.

It is an arithmetic number, because the mean of its divisors is an integer number (1223961750).

Almost surely, 2^4891046131 is an apocalyptic number.

4891046131 is a deficient number, since it is larger than the sum of its proper divisors (4800869).

4891046131 is a wasteful number, since it uses less digits than its factorization.

4891046131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800868.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 4891046131 is about 69936.0145490147. The cubic root of 4891046131 is about 1697.4640541060.

The spelling of 4891046131 in words is "four billion, eight hundred ninety-one million, forty-six thousand, one hundred thirty-one".