69056481761 has 2 divisors, whose sum is σ = 69056481762. Its totient is φ = 69056481760.

The previous prime is 69056481709. The next prime is 69056481803. The reversal of 69056481761 is 16718465096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64747347025 + 4309134736 = 254455^2 + 65644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69056481761 is a prime.

It is a super-2 number, since 2×69056481761² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69056481661) 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, 34528240880 + 34528240881.

It is an arithmetic number, because the mean of its divisors is an integer number (34528240881).

Almost surely, 2^69056481761 is an apocalyptic number.

It is an amenable number.

69056481761 is a deficient number, since it is larger than the sum of its proper divisors (1).

69056481761 is an equidigital number, since it uses as much as digits as its factorization.

69056481761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 69056481761 in words is "sixty-nine billion, fifty-six million, four hundred eighty-one thousand, seven hundred sixty-one".