5456802686669 has 2 divisors, whose sum is σ = 5456802686670. Its totient is φ = 5456802686668.

The previous prime is 5456802686639. The next prime is 5456802686677. The reversal of 5456802686669 is 9666862086545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5041093676644 + 415709010025 = 2245238^2 + 644755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5456802686669 is a prime.

It is a super-2 number, since 2×5456802686669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5456802686639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728401343334 + 2728401343335.

It is an arithmetic number, because the mean of its divisors is an integer number (2728401343335).

Almost surely, 2^{5456802686669} is an apocalyptic number.

It is an amenable number.

5456802686669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5456802686669 is an equidigital number, since it uses as much as digits as its factorization.

5456802686669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 895795200, while the sum is 71.

The spelling of 5456802686669 in words is "five trillion, four hundred fifty-six billion, eight hundred two million, six hundred eighty-six thousand, six hundred sixty-nine".