30205532353936 has 15 divisors (see below), whose sum is σ = 58523261529441. Its totient is φ = 15102755185056.

The previous prime is 30205532353933. The next prime is 30205532353943. The reversal of 30205532353936 is 63935323550203.

The square root of 30205532353936 is 5495956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29150885512336 + 1054646841600 = 5399156^2 + 1026960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30205532353936.

It is not an unprimeable number, because it can be changed into a prime (30205532353933) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21296830 + ... + 22670818.

Almost surely, 2^{30205532353936} is an apocalyptic number.

30205532353936 is the 5495956-th square number.

It is an amenable number.

30205532353936 is a deficient number, since it is larger than the sum of its proper divisors (28317729175505).

30205532353936 is an frugal number, since it uses more digits than its factorization.

30205532353936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747986 (or 1373991 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 49.

The spelling of 30205532353936 in words is "thirty trillion, two hundred five billion, five hundred thirty-two million, three hundred fifty-three thousand, nine hundred thirty-six".