249109416812 has 6 divisors (see below), whose sum is σ = 435941479428. Its totient is φ = 124554708404.

The previous prime is 249109416767. The next prime is 249109416833. The reversal of 249109416812 is 218614901942.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31138677098 + ... + 31138677105.

It is an arithmetic number, because the mean of its divisors is an integer number (72656913238).

Almost surely, 2^249109416812 is an apocalyptic number.

It is an amenable number.

249109416812 is a deficient number, since it is larger than the sum of its proper divisors (186832062616).

249109416812 is a wasteful number, since it uses less digits than its factorization.

249109416812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62277354207 (or 62277354205 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 249109416812 in words is "two hundred forty-nine billion, one hundred nine million, four hundred sixteen thousand, eight hundred twelve".