2650085376977 has 2 divisors, whose sum is σ = 2650085376978. Its totient is φ = 2650085376976.

The previous prime is 2650085376949. The next prime is 2650085376997. The reversal of 2650085376977 is 7796735800562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1478082103696 + 1172003273281 = 1215764^2 + 1082591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650085376977 - 2¹⁰ = 2650085375953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2650085376997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325042688488 + 1325042688489.

It is an arithmetic number, because the mean of its divisors is an integer number (1325042688489).

Almost surely, 2^{2650085376977} is an apocalyptic number.

It is an amenable number.

2650085376977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650085376977 is an equidigital number, since it uses as much as digits as its factorization.

2650085376977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 133358400, while the sum is 65.

The spelling of 2650085376977 in words is "two trillion, six hundred fifty billion, eighty-five million, three hundred seventy-six thousand, nine hundred seventy-seven".