68498405284 has 27 divisors (see below), whose sum is σ = 121102000747. Its totient is φ = 33901374104.

The previous prime is 68498405249. The next prime is 68498405291. The reversal of 68498405284 is 48250489486.

It is a happy number.

The square root of 68498405284 is 261722.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×68498405284² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56007897 + ... + 56009119.

Almost surely, 2^68498405284 is an apocalyptic number.

68498405284 is the 261722-nd square number.

It is an amenable number.

68498405284 is a deficient number, since it is larger than the sum of its proper divisors (52603595463).

68498405284 is an equidigital number, since it uses as much as digits as its factorization.

68498405284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 68498405284 in words is "sixty-eight billion, four hundred ninety-eight million, four hundred five thousand, two hundred eighty-four".