68748659498 has 16 divisors (see below), whose sum is σ = 109198928520. Its totient is φ = 32349382656.

The previous prime is 68748659489. The next prime is 68748659501. The reversal of 68748659498 is 89495684786.

It can be written as a sum of positive squares in 4 ways, for example, as 51441415249 + 17307244249 = 226807^2 + 131557^2 .

It is a super-2 number, since 2×68748659498² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316058 + ... + 487226.

Almost surely, 2^68748659498 is an apocalyptic number.

68748659498 is a deficient number, since it is larger than the sum of its proper divisors (40450269022).

68748659498 is a wasteful number, since it uses less digits than its factorization.

68748659498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183001.

The product of its digits is 836075520, while the sum is 74.

The spelling of 68748659498 in words is "sixty-eight billion, seven hundred forty-eight million, six hundred fifty-nine thousand, four hundred ninety-eight".