69494649533 has 2 divisors, whose sum is σ = 69494649534. Its totient is φ = 69494649532.

The previous prime is 69494649487. The next prime is 69494649541. The reversal of 69494649533 is 33594649496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35786423929 + 33708225604 = 189173^2 + 183598^2 .

It is a cyclic number.

It is not a de Polignac number, because 69494649533 - 2²⁶ = 69427540669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69494619533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34747324766 + 34747324767.

It is an arithmetic number, because the mean of its divisors is an integer number (34747324767).

Almost surely, 2^69494649533 is an apocalyptic number.

It is an amenable number.

69494649533 is a deficient number, since it is larger than the sum of its proper divisors (1).

69494649533 is an equidigital number, since it uses as much as digits as its factorization.

69494649533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 62.

The spelling of 69494649533 in words is "sixty-nine billion, four hundred ninety-four million, six hundred forty-nine thousand, five hundred thirty-three".