68450844873430 has 32 divisors (see below), whose sum is σ = 129697040878560. Its totient is φ = 25939126886400.

The previous prime is 68450844873421. The next prime is 68450844873443. The reversal of 68450844873430 is 3437844805486.

It is a super-2 number, since 2×68450844873430² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38303830 + ... + 40051030.

It is an arithmetic number, because the mean of its divisors is an integer number (4053032527455).

Almost surely, 2^{68450844873430} is an apocalyptic number.

68450844873430 is a deficient number, since it is larger than the sum of its proper divisors (61246196005130).

68450844873430 is a wasteful number, since it uses less digits than its factorization.

68450844873430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953424.

The product of its (nonzero) digits is 247726080, while the sum is 64.

The spelling of 68450844873430 in words is "sixty-eight trillion, four hundred fifty billion, eight hundred forty-four million, eight hundred seventy-three thousand, four hundred thirty".