69774416749 has 2 divisors, whose sum is σ = 69774416750. Its totient is φ = 69774416748.

The previous prime is 69774416711. The next prime is 69774416797. The reversal of 69774416749 is 94761447796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38765672100 + 31008744649 = 196890^2 + 176093^2 .

It is a cyclic number.

It is not a de Polignac number, because 69774416749 - 2¹⁷ = 69774285677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69774410749) 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, 34887208374 + 34887208375.

It is an arithmetic number, because the mean of its divisors is an integer number (34887208375).

Almost surely, 2^69774416749 is an apocalyptic number.

It is an amenable number.

69774416749 is a deficient number, since it is larger than the sum of its proper divisors (1).

69774416749 is an equidigital number, since it uses as much as digits as its factorization.

69774416749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64012032, while the sum is 64.

The spelling of 69774416749 in words is "sixty-nine billion, seven hundred seventy-four million, four hundred sixteen thousand, seven hundred forty-nine".