4861436818 has 8 divisors (see below), whose sum is σ = 8333891712. Its totient is φ = 2083472916.

The previous prime is 4861436809. The next prime is 4861436831. The reversal of 4861436818 is 8186341684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173622730 + ... + 173622757.

It is an arithmetic number, because the mean of its divisors is an integer number (1041736464).

Almost surely, 2^4861436818 is an apocalyptic number.

4861436818 is a deficient number, since it is larger than the sum of its proper divisors (3472454894).

4861436818 is a wasteful number, since it uses less digits than its factorization.

4861436818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347245496.

The product of its digits is 884736, while the sum is 49.

The square root of 4861436818 is about 69724.0046038665. The cubic root of 4861436818 is about 1694.0317611564.

The spelling of 4861436818 in words is "four billion, eight hundred sixty-one million, four hundred thirty-six thousand, eight hundred eighteen".