30690866803 has 2 divisors, whose sum is σ = 30690866804. Its totient is φ = 30690866802.

The previous prime is 30690866777. The next prime is 30690866851. The reversal of 30690866803 is 30866809603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30690866803 - 2¹⁷ = 30690735731 is a prime.

It is not a weakly prime, because it can be changed into another prime (30690866873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15345433401 + 15345433402.

It is an arithmetic number, because the mean of its divisors is an integer number (15345433402).

Almost surely, 2^30690866803 is an apocalyptic number.

30690866803 is a deficient number, since it is larger than the sum of its proper divisors (1).

30690866803 is an equidigital number, since it uses as much as digits as its factorization.

30690866803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 30690866803 in words is "thirty billion, six hundred ninety million, eight hundred sixty-six thousand, eight hundred three".