30690854533 has 2 divisors, whose sum is σ = 30690854534. Its totient is φ = 30690854532.

The previous prime is 30690854521. The next prime is 30690854539. The reversal of 30690854533 is 33545809603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30416057604 + 274796929 = 174402^2 + 16577^2 .

It is a cyclic number.

It is not a de Polignac number, because 30690854533 - 2⁵ = 30690854501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30690854539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15345427266 + 15345427267.

It is an arithmetic number, because the mean of its divisors is an integer number (15345427267).

Almost surely, 2^30690854533 is an apocalyptic number.

It is an amenable number.

30690854533 is a deficient number, since it is larger than the sum of its proper divisors (1).

30690854533 is an equidigital number, since it uses as much as digits as its factorization.

30690854533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 30690854533 in words is "thirty billion, six hundred ninety million, eight hundred fifty-four thousand, five hundred thirty-three".