245316217312 has 12 divisors (see below), whose sum is σ = 482966302896. Its totient is φ = 122658108640.

The previous prime is 245316217309. The next prime is 245316217331. The reversal of 245316217312 is 213712613542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833065864 + ... + 3833065927.

It is an arithmetic number, because the mean of its divisors is an integer number (40247191908).

Almost surely, 2^245316217312 is an apocalyptic number.

It is an amenable number.

245316217312 is a deficient number, since it is larger than the sum of its proper divisors (237650085584).

245316217312 is an equidigital number, since it uses as much as digits as its factorization.

245316217312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666131801 (or 7666131793 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The spelling of 245316217312 in words is "two hundred forty-five billion, three hundred sixteen million, two hundred seventeen thousand, three hundred twelve".