68894048450 has 48 divisors (see below), whose sum is σ = 135017593440. Its totient is φ = 26082000000.

The previous prime is 68894048441. The next prime is 68894048459. The reversal of 68894048450 is 5484049886.

It is an interprime number because it is at equal distance from previous prime (68894048441) and next prime (68894048459).

It is not an unprimeable number, because it can be changed into a prime (68894048459) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 963950 + ... + 1032950.

It is an arithmetic number, because the mean of its divisors is an integer number (2812866530).

Almost surely, 2^68894048450 is an apocalyptic number.

68894048450 is a deficient number, since it is larger than the sum of its proper divisors (66123544990).

68894048450 is a wasteful number, since it uses less digits than its factorization.

68894048450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70083 (or 70078 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 68894048450 in words is "sixty-eight billion, eight hundred ninety-four million, forty-eight thousand, four hundred fifty".