1984462212377 has 2 divisors, whose sum is σ = 1984462212378. Its totient is φ = 1984462212376.

The previous prime is 1984462212329. The next prime is 1984462212433. The reversal of 1984462212377 is 7732122644891.

It is an a-pointer prime, because the next prime (1984462212433) can be obtained adding 1984462212377 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898432042896 + 86030169481 = 1377836^2 + 293309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1984462212377 - 2¹⁶ = 1984462146841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1984462212277) 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, 992231106188 + 992231106189.

It is an arithmetic number, because the mean of its divisors is an integer number (992231106189).

Almost surely, 2^{1984462212377} is an apocalyptic number.

It is an amenable number.

1984462212377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984462212377 is an equidigital number, since it uses as much as digits as its factorization.

1984462212377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 56.

The spelling of 1984462212377 in words is "one trillion, nine hundred eighty-four billion, four hundred sixty-two million, two hundred twelve thousand, three hundred seventy-seven".