69087384749 has 2 divisors, whose sum is σ = 69087384750. Its totient is φ = 69087384748.

The previous prime is 69087384739. The next prime is 69087384767. The reversal of 69087384749 is 94748378096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63418348900 + 5669035849 = 251830^2 + 75293^2 .

It is a cyclic number.

It is not a de Polignac number, because 69087384749 - 2⁸ = 69087384493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69087384739) 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, 34543692374 + 34543692375.

It is an arithmetic number, because the mean of its divisors is an integer number (34543692375).

Almost surely, 2^69087384749 is an apocalyptic number.

It is an amenable number.

69087384749 is a deficient number, since it is larger than the sum of its proper divisors (1).

69087384749 is an equidigital number, since it uses as much as digits as its factorization.

69087384749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 69087384749 in words is "sixty-nine billion, eighty-seven million, three hundred eighty-four thousand, seven hundred forty-nine".