249832061081852 has 24 divisors (see below), whose sum is σ = 438857892091920. Its totient is φ = 124444581736320.

The previous prime is 249832061081819. The next prime is 249832061081899. The reversal of 249832061081852 is 258180160238942.

It is a junction number, because it is equal to n+sod(n) for n = 249832061081791 and 249832061081800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59186774 + ... + 63267197.

It is an arithmetic number, because the mean of its divisors is an integer number (18285745503830).

Almost surely, 2^{249832061081852} is an apocalyptic number.

It is an amenable number.

249832061081852 is a deficient number, since it is larger than the sum of its proper divisors (189025831010068).

249832061081852 is a wasteful number, since it uses less digits than its factorization.

249832061081852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122455901 (or 122455899 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 249832061081852 in words is "two hundred forty-nine trillion, eight hundred thirty-two billion, sixty-one million, eighty-one thousand, eight hundred fifty-two".