2669682747469 has 2 divisors, whose sum is σ = 2669682747470. Its totient is φ = 2669682747468.

The previous prime is 2669682747397. The next prime is 2669682747497. The reversal of 2669682747469 is 9647472869662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2532671724969 + 137011022500 = 1591437^2 + 370150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669682747469 - 2¹¹ = 2669682745421 is a prime.

It is a super-2 number, since 2×2669682747469² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2669682747395 and 2669682747404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2669682747769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334841373734 + 1334841373735.

It is an arithmetic number, because the mean of its divisors is an integer number (1334841373735).

Almost surely, 2^{2669682747469} is an apocalyptic number.

It is an amenable number.

2669682747469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669682747469 is an equidigital number, since it uses as much as digits as its factorization.

2669682747469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2633637888, while the sum is 76.

The spelling of 2669682747469 in words is "two trillion, six hundred sixty-nine billion, six hundred eighty-two million, seven hundred forty-seven thousand, four hundred sixty-nine".