68999305410 has 288 divisors, whose sum is σ = 225912395520. Its totient is φ = 14940168768.

The previous prime is 68999305399. The next prime is 68999305433. The reversal of 68999305410 is 1450399986.

68999305410 is a `hidden beast` number, since 6 + 8 + 9 + 9 + 93 + 0 + 541 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4768807 + ... + 4783253.

It is an arithmetic number, because the mean of its divisors is an integer number (784418040).

Almost surely, 2^68999305410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68999305410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112956197760).

68999305410 is an abundant number, since it is smaller than the sum of its proper divisors (156913090110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68999305410 is a wasteful number, since it uses less digits than its factorization.

68999305410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515 (or 14483 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 68999305410 in words is "sixty-eight billion, nine hundred ninety-nine million, three hundred five thousand, four hundred ten".