4858495861 has 4 divisors (see below), whose sum is σ = 4858944012. Its totient is φ = 4858047712.

The previous prime is 4858495799. The next prime is 4858495879. The reversal of 4858495861 is 1685948584.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 373648900 + 4484846961 = 19330^2 + 66969^2 .

It is a cyclic number.

It is not a de Polignac number, because 4858495861 - 2²³ = 4850107253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4858495796 and 4858495805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4858405861) 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, 207400 + ... + 229633.

It is an arithmetic number, because the mean of its divisors is an integer number (1214736003).

Almost surely, 2^4858495861 is an apocalyptic number.

It is an amenable number.

4858495861 is a deficient number, since it is larger than the sum of its proper divisors (448151).

4858495861 is a wasteful number, since it uses less digits than its factorization.

4858495861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448150.

The product of its digits is 11059200, while the sum is 58.

The square root of 4858495861 is about 69702.9114241292. The cubic root of 4858495861 is about 1693.6900871660.

The spelling of 4858495861 in words is "four billion, eight hundred fifty-eight million, four hundred ninety-five thousand, eight hundred sixty-one".