30698078068 has 12 divisors (see below), whose sum is σ = 61396156192. Its totient is φ = 13156319160.

The previous prime is 30698078063. The next prime is 30698078077. The reversal of 30698078068 is 86087089603.

30698078068 is an admirable number.

It is a super-2 number, since 2×30698078068² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30698078063) 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, 548179938 + ... + 548179993.

Almost surely, 2^30698078068 is an apocalyptic number.

It is an amenable number.

30698078068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30698078068 is a wasteful number, since it uses less digits than its factorization.

30698078068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096359942 (or 1096359940 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 30698078068 in words is "thirty billion, six hundred ninety-eight million, seventy-eight thousand, sixty-eight".