68328659253 has 8 divisors (see below), whose sum is σ = 91822240768. Its totient is φ = 45193758624.

The previous prime is 68328659251. The next prime is 68328659291. The reversal of 68328659253 is 35295682386.

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

It is not a de Polignac number, because 68328659253 - 2¹ = 68328659251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68328659193 and 68328659202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68328659251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89669776 + ... + 89670537.

It is an arithmetic number, because the mean of its divisors is an integer number (11477780096).

Almost surely, 2^68328659253 is an apocalyptic number.

It is an amenable number.

68328659253 is a deficient number, since it is larger than the sum of its proper divisors (23493581515).

68328659253 is a wasteful number, since it uses less digits than its factorization.

68328659253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179340443.

The product of its digits is 18662400, while the sum is 57.

The spelling of 68328659253 in words is "sixty-eight billion, three hundred twenty-eight million, six hundred fifty-nine thousand, two hundred fifty-three".