11447954929409 has 2 divisors, whose sum is σ = 11447954929410. Its totient is φ = 11447954929408.

The previous prime is 11447954929391. The next prime is 11447954929427. The reversal of 11447954929409 is 90492945974411.

11447954929409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11447954929391) and next prime (11447954929427).

It can be written as a sum of positive squares in only one way, i.e., 8354412160000 + 3093542769409 = 2890400^2 + 1758847^2 .

It is a cyclic number.

It is not a de Polignac number, because 11447954929409 - 2⁸ = 11447954929153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11447954929009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723977464704 + 5723977464705.

It is an arithmetic number, because the mean of its divisors is an integer number (5723977464705).

Almost surely, 2^{11447954929409} is an apocalyptic number.

It is an amenable number.

11447954929409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11447954929409 is an equidigital number, since it uses as much as digits as its factorization.

11447954929409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 11447954929409 in words is "eleven trillion, four hundred forty-seven billion, nine hundred fifty-four million, nine hundred twenty-nine thousand, four hundred nine".