2486802777961 has 2 divisors, whose sum is σ = 2486802777962. Its totient is φ = 2486802777960.

The previous prime is 2486802777911. The next prime is 2486802777989. The reversal of 2486802777961 is 1697772086842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2477365821225 + 9436956736 = 1573965^2 + 97144^2 .

It is a cyclic number.

It is not a de Polignac number, because 2486802777961 - 2¹³ = 2486802769769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2486802777911) 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, 1243401388980 + 1243401388981.

It is an arithmetic number, because the mean of its divisors is an integer number (1243401388981).

Almost surely, 2^{2486802777961} is an apocalyptic number.

It is an amenable number.

2486802777961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2486802777961 is an equidigital number, since it uses as much as digits as its factorization.

2486802777961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113799168, while the sum is 67.

The spelling of 2486802777961 in words is "two trillion, four hundred eighty-six billion, eight hundred two million, seven hundred seventy-seven thousand, nine hundred sixty-one".