68948347953357 has 16 divisors (see below), whose sum is σ = 102146495112000. Its totient is φ = 45965207804112.

The previous prime is 68948347953347. The next prime is 68948347953361. The reversal of 68948347953357 is 75335974384986.

68948347953357 is a `hidden beast` number, since 6 + 8 + 9 + 4 + 8 + 3 + 4 + 79 + 533 + 5 + 7 = 666.

It is not a de Polignac number, because 68948347953357 - 2⁶ = 68948347953293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68948347953307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6371482 + ... + 13360107.

It is an arithmetic number, because the mean of its divisors is an integer number (6384155944500).

Almost surely, 2^{68948347953357} is an apocalyptic number.

It is an amenable number.

68948347953357 is a deficient number, since it is larger than the sum of its proper divisors (33198147158643).

68948347953357 is a wasteful number, since it uses less digits than its factorization.

68948347953357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19861017 (or 19861011 counting only the distinct ones).

The product of its digits is 16460236800, while the sum is 81.

The spelling of 68948347953357 in words is "sixty-eight trillion, nine hundred forty-eight billion, three hundred forty-seven million, nine hundred fifty-three thousand, three hundred fifty-seven".