2885908655969 has 2 divisors, whose sum is σ = 2885908655970. Its totient is φ = 2885908655968.

The previous prime is 2885908655923. The next prime is 2885908655989. The reversal of 2885908655969 is 9695568095882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1609505807569 + 1276402848400 = 1268663^2 + 1129780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2885908655969 is a prime.

It is a super-2 number, since 2×2885908655969² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2885908655893 and 2885908655902.

It is not a weakly prime, because it can be changed into another prime (2885908655989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442954327984 + 1442954327985.

It is an arithmetic number, because the mean of its divisors is an integer number (1442954327985).

Almost surely, 2^{2885908655969} is an apocalyptic number.

It is an amenable number.

2885908655969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2885908655969 is an equidigital number, since it uses as much as digits as its factorization.

2885908655969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232000, while the sum is 80.

The spelling of 2885908655969 in words is "two trillion, eight hundred eighty-five billion, nine hundred eight million, six hundred fifty-five thousand, nine hundred sixty-nine".