245505634412 has 12 divisors (see below), whose sum is σ = 430202414880. Its totient is φ = 122590658736.

The previous prime is 245505634369. The next prime is 245505634417. The reversal of 245505634412 is 214436505542.

It is a self number, because there is not a number n which added to its sum of digits gives 245505634412.

It is not an unprimeable number, because it can be changed into a prime (245505634417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40536212 + ... + 40542267.

It is an arithmetic number, because the mean of its divisors is an integer number (35850201240).

Almost surely, 2^245505634412 is an apocalyptic number.

It is an amenable number.

245505634412 is a deficient number, since it is larger than the sum of its proper divisors (184696780468).

245505634412 is a wasteful number, since it uses less digits than its factorization.

245505634412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81079240 (or 81079238 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 245505634412 in words is "two hundred forty-five billion, five hundred five million, six hundred thirty-four thousand, four hundred twelve".