68104437345 has 48 divisors (see below), whose sum is σ = 135154206720. Its totient is φ = 31077482112.

The previous prime is 68104437329. The next prime is 68104437361. The reversal of 68104437345 is 54373440186.

It is an interprime number because it is at equal distance from previous prime (68104437329) and next prime (68104437361).

It is not a de Polignac number, because 68104437345 - 2⁴ = 68104437329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68104437345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18625 + ... + 369534.

It is an arithmetic number, because the mean of its divisors is an integer number (2815712640).

Almost surely, 2^68104437345 is an apocalyptic number.

It is an amenable number.

68104437345 is a deficient number, since it is larger than the sum of its proper divisors (67049769375).

68104437345 is a wasteful number, since it uses less digits than its factorization.

68104437345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388734 (or 388731 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 68104437345 in words is "sixty-eight billion, one hundred four million, four hundred thirty-seven thousand, three hundred forty-five".