61331486842 has 16 divisors (see below), whose sum is σ = 94649383872. Its totient is φ = 29794232160.

The previous prime is 61331486813. The next prime is 61331486899. The reversal of 61331486842 is 24868413316.

61331486842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61331486792 and 61331486801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125134 + ... + 3144697.

It is an arithmetic number, because the mean of its divisors is an integer number (5915586492).

Almost surely, 2^61331486842 is an apocalyptic number.

61331486842 is a deficient number, since it is larger than the sum of its proper divisors (33317897030).

61331486842 is a wasteful number, since it uses less digits than its factorization.

61331486842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269973.

The product of its digits is 663552, while the sum is 46.

The spelling of 61331486842 in words is "sixty-one billion, three hundred thirty-one million, four hundred eighty-six thousand, eight hundred forty-two".