67429311916 has 24 divisors (see below), whose sum is σ = 120433507040. Its totient is φ = 33024326400.

The previous prime is 67429311913. The next prime is 67429311941. The reversal of 67429311916 is 61911392476.

It is a self number, because there is not a number n which added to its sum of digits gives 67429311916.

It is not an unprimeable number, because it can be changed into a prime (67429311913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514536 + ... + 632143.

Almost surely, 2^67429311916 is an apocalyptic number.

It is an amenable number.

67429311916 is a deficient number, since it is larger than the sum of its proper divisors (53004195124).

67429311916 is a wasteful number, since it uses less digits than its factorization.

67429311916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146985 (or 1146983 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The spelling of 67429311916 in words is "sixty-seven billion, four hundred twenty-nine million, three hundred eleven thousand, nine hundred sixteen".