68679919422 has 48 divisors (see below), whose sum is σ = 150900974640. Its totient is φ = 22571312256.

The previous prime is 68679919421. The next prime is 68679919423. The reversal of 68679919422 is 22491997686.

68679919422 is a `hidden beast` number, since 68 + 67 + 9 + 91 + 9 + 422 = 666.

It is an interprime number because it is at equal distance from previous prime (68679919421) and next prime (68679919423).

It is a self number, because there is not a number n which added to its sum of digits gives 68679919422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68679919421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4234813 + ... + 4250999.

It is an arithmetic number, because the mean of its divisors is an integer number (3143770305).

Almost surely, 2^68679919422 is an apocalyptic number.

68679919422 is an abundant number, since it is smaller than the sum of its proper divisors (82221055218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68679919422 is a wasteful number, since it uses less digits than its factorization.

68679919422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19497 (or 19494 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 68679919422 in words is "sixty-eight billion, six hundred seventy-nine million, nine hundred nineteen thousand, four hundred twenty-two".