61831486233 has 48 divisors (see below), whose sum is σ = 104184392832. Its totient is φ = 34920000000.

The previous prime is 61831486217. The next prime is 61831486237. The reversal of 61831486233 is 33268413816.

61831486233 is a `hidden beast` number, since 6 + 1 + 8 + 3 + 14 + 8 + 623 + 3 = 666.

It is not a de Polignac number, because 61831486233 - 2⁴ = 61831486217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61831486237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11893 + ... + 351858.

It is an arithmetic number, because the mean of its divisors is an integer number (2170508184).

Almost surely, 2^61831486233 is an apocalyptic number.

It is an amenable number.

61831486233 is a deficient number, since it is larger than the sum of its proper divisors (42352906599).

61831486233 is a wasteful number, since it uses less digits than its factorization.

61831486233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363886 (or 363883 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 61831486233 in words is "sixty-one billion, eight hundred thirty-one million, four hundred eighty-six thousand, two hundred thirty-three".