68691498412 has 12 divisors (see below), whose sum is σ = 120294254080. Its totient is φ = 34321711536.

The previous prime is 68691498389. The next prime is 68691498413. The reversal of 68691498412 is 21489419686.

It is not an unprimeable number, because it can be changed into a prime (68691498413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6002988 + ... + 6014419.

Almost surely, 2^68691498412 is an apocalyptic number.

It is an amenable number.

68691498412 is a deficient number, since it is larger than the sum of its proper divisors (51602755668).

68691498412 is a wasteful number, since it uses less digits than its factorization.

68691498412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018840 (or 12018838 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The spelling of 68691498412 in words is "sixty-eight billion, six hundred ninety-one million, four hundred ninety-eight thousand, four hundred twelve".