69549040513 has 2 divisors, whose sum is σ = 69549040514. Its totient is φ = 69549040512.

The previous prime is 69549040499. The next prime is 69549040543. The reversal of 69549040513 is 31504094596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60726759184 + 8822281329 = 246428^2 + 93927^2 .

It is a cyclic number.

It is not a de Polignac number, because 69549040513 - 2⁵ = 69549040481 is a prime.

It is not a weakly prime, because it can be changed into another prime (69549040543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34774520256 + 34774520257.

It is an arithmetic number, because the mean of its divisors is an integer number (34774520257).

Almost surely, 2^69549040513 is an apocalyptic number.

It is an amenable number.

69549040513 is a deficient number, since it is larger than the sum of its proper divisors (1).

69549040513 is an equidigital number, since it uses as much as digits as its factorization.

69549040513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 69549040513 in words is "sixty-nine billion, five hundred forty-nine million, forty thousand, five hundred thirteen".