27102358469 has 2 divisors, whose sum is σ = 27102358470. Its totient is φ = 27102358468.

The previous prime is 27102358463. The next prime is 27102358571. The reversal of 27102358469 is 96485320172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20756164900 + 6346193569 = 144070^2 + 79663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27102358469 is a prime.

It is a super-2 number, since 2×27102358469² (a number of 22 digits) contains 22 as substring.

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 (27102358463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551179234 + 13551179235.

It is an arithmetic number, because the mean of its divisors is an integer number (13551179235).

It is a 2-persistent number, because it is pandigital, and so is 2⋅27102358469 = 54204716938, but 3⋅27102358469 = 81307075407 is not.

Almost surely, 2^27102358469 is an apocalyptic number.

It is an amenable number.

27102358469 is a deficient number, since it is larger than the sum of its proper divisors (1).

27102358469 is an equidigital number, since it uses as much as digits as its factorization.

27102358469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 27102358469 in words is "twenty-seven billion, one hundred two million, three hundred fifty-eight thousand, four hundred sixty-nine".