68657458484 has 12 divisors (see below), whose sum is σ = 121027564644. Its totient is φ = 34078154304.

The previous prime is 68657458433. The next prime is 68657458553. The reversal of 68657458484 is 48485475686.

It can be written as a sum of positive squares in 2 ways, for example, as 54252658084 + 14404800400 = 232922^2 + 120020^2 .

It is a super-3 number, since 3×68657458484³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68657458484.

It is a congruent 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, 62643119 + ... + 62644214.

It is an arithmetic number, because the mean of its divisors is an integer number (10085630387).

Almost surely, 2^68657458484 is an apocalyptic number.

It is an amenable number.

68657458484 is a deficient number, since it is larger than the sum of its proper divisors (52370106160).

68657458484 is a wasteful number, since it uses less digits than its factorization.

68657458484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125287474 (or 125287472 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 65.

The spelling of 68657458484 in words is "sixty-eight billion, six hundred fifty-seven million, four hundred fifty-eight thousand, four hundred eighty-four".