6181286842 has 4 divisors (see below), whose sum is σ = 9271930266. Its totient is φ = 3090643420.

The previous prime is 6181286821. The next prime is 6181286843. The reversal of 6181286842 is 2486821816.

6181286842 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 4342678201 + 1838608641 = 65899^2 + 42879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6181286792 and 6181286801.

It is not an unprimeable number, because it can be changed into a prime (6181286843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545321709 + ... + 1545321712.

Almost surely, 2^6181286842 is an apocalyptic number.

6181286842 is a deficient number, since it is larger than the sum of its proper divisors (3090643424).

6181286842 is a wasteful number, since it uses less digits than its factorization.

6181286842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090643423.

The product of its digits is 294912, while the sum is 46.

The square root of 6181286842 is about 78621.1602687215. The cubic root of 6181286842 is about 1835.2404204042.

The spelling of 6181286842 in words is "six billion, one hundred eighty-one million, two hundred eighty-six thousand, eight hundred forty-two".