2669852291881 has 2 divisors, whose sum is σ = 2669852291882. Its totient is φ = 2669852291880.

The previous prime is 2669852291839. The next prime is 2669852291987. The reversal of 2669852291881 is 1881922589662.

2669852291881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1942343942400 + 727508349481 = 1393680^2 + 852941^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669852291881 - 2²¹ = 2669850194729 is a prime.

It is a super-2 number, since 2×2669852291881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2669852291681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334926145940 + 1334926145941.

It is an arithmetic number, because the mean of its divisors is an integer number (1334926145941).

Almost surely, 2^{2669852291881} is an apocalyptic number.

It is an amenable number.

2669852291881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669852291881 is an equidigital number, since it uses as much as digits as its factorization.

2669852291881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 67.

The spelling of 2669852291881 in words is "two trillion, six hundred sixty-nine billion, eight hundred fifty-two million, two hundred ninety-one thousand, eight hundred eighty-one".