30904515627409 has 2 divisors, whose sum is σ = 30904515627410. Its totient is φ = 30904515627408.

The previous prime is 30904515627397. The next prime is 30904515627421. The reversal of 30904515627409 is 90472651540903.

It is a balanced prime because it is at equal distance from previous prime (30904515627397) and next prime (30904515627421).

It can be written as a sum of positive squares in only one way, i.e., 30586397067009 + 318118560400 = 5530497^2 + 564020^2 .

It is a cyclic number.

It is not a de Polignac number, because 30904515627409 - 2²⁵ = 30904482072977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30904515627409.

It is not a weakly prime, because it can be changed into another prime (30904515627449) 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, 15452257813704 + 15452257813705.

It is an arithmetic number, because the mean of its divisors is an integer number (15452257813705).

Almost surely, 2^{30904515627409} is an apocalyptic number.

It is an amenable number.

30904515627409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30904515627409 is an equidigital number, since it uses as much as digits as its factorization.

30904515627409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 30904515627409 in words is "thirty trillion, nine hundred four billion, five hundred fifteen million, six hundred twenty-seven thousand, four hundred nine".