68298995457232 has 20 divisors (see below), whose sum is σ = 132659301974436. Its totient is φ = 34064336883200.

The previous prime is 68298995457211. The next prime is 68298995457269. The reversal of 68298995457232 is 23275459989286.

It can be written as a sum of positive squares in 2 ways, for example, as 65420014533696 + 2878980923536 = 8088264^2 + 1696756^2 .

It is a super-2 number, since 2×68298995457232² (a number of 28 digits) contains 22 as substring.

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, 5322546223 + ... + 5322559054.

Almost surely, 2^{68298995457232} is an apocalyptic number.

It is an amenable number.

68298995457232 is a deficient number, since it is larger than the sum of its proper divisors (64360306517204).

68298995457232 is a wasteful number, since it uses less digits than its factorization.

68298995457232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645105686 (or 10645105680 counting only the distinct ones).

The product of its digits is 4702924800, while the sum is 79.

The spelling of 68298995457232 in words is "sixty-eight trillion, two hundred ninety-eight billion, nine hundred ninety-five million, four hundred fifty-seven thousand, two hundred thirty-two".