68545803458 has 8 divisors (see below), whose sum is σ = 112165860240. Its totient is φ = 31157183380.

The previous prime is 68545803449. The next prime is 68545803467. The reversal of 68545803458 is 85430854586.

It is an interprime number because it is at equal distance from previous prime (68545803449) and next prime (68545803467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557859148 + ... + 1557859191.

It is an arithmetic number, because the mean of its divisors is an integer number (14020732530).

Almost surely, 2^68545803458 is an apocalyptic number.

68545803458 is a deficient number, since it is larger than the sum of its proper divisors (43620056782).

68545803458 is a wasteful number, since it uses less digits than its factorization.

68545803458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115718352.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 68545803458 in words is "sixty-eight billion, five hundred forty-five million, eight hundred three thousand, four hundred fifty-eight".