4861129858 has 12 divisors (see below), whose sum is σ = 7895741058. Its totient is φ = 2243598240.

The previous prime is 4861129813. The next prime is 4861129907. The reversal of 4861129858 is 8589211684.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3177915129 + 1683214729 = 56373^2 + 41027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7190683 + ... + 7191358.

Almost surely, 2^4861129858 is an apocalyptic number.

4861129858 is a deficient number, since it is larger than the sum of its proper divisors (3034611200).

4861129858 is a wasteful number, since it uses less digits than its factorization.

4861129858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382069 (or 14382056 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The square root of 4861129858 is about 69721.8033186176. The cubic root of 4861129858 is about 1693.9961056528.

The spelling of 4861129858 in words is "four billion, eight hundred sixty-one million, one hundred twenty-nine thousand, eight hundred fifty-eight".