30368636828 has 6 divisors (see below), whose sum is σ = 53145114456. Its totient is φ = 15184318412.

The previous prime is 30368636821. The next prime is 30368636863. The reversal of 30368636828 is 82863686303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30368636828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30368636821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3796079600 + ... + 3796079607.

It is an arithmetic number, because the mean of its divisors is an integer number (8857519076).

Almost surely, 2^30368636828 is an apocalyptic number.

It is an amenable number.

30368636828 is a deficient number, since it is larger than the sum of its proper divisors (22776477628).

30368636828 is a wasteful number, since it uses less digits than its factorization.

30368636828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592159211 (or 7592159209 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 30368636828 in words is "thirty billion, three hundred sixty-eight million, six hundred thirty-six thousand, eight hundred twenty-eight".