1984462212387 has 64 divisors (see below), whose sum is σ = 2845492531200. Its totient is φ = 1228055592960.

The previous prime is 1984462212377. The next prime is 1984462212433. The reversal of 1984462212387 is 7832122644891.

It is not a de Polignac number, because 1984462212387 - 2⁷ = 1984462212259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1984462212377) 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 in 63 ways as a sum of consecutive naturals, for example, 49235539 + ... + 49275827.

It is an arithmetic number, because the mean of its divisors is an integer number (44460820800).

Almost surely, 2^{1984462212387} is an apocalyptic number.

1984462212387 is a deficient number, since it is larger than the sum of its proper divisors (861030318813).

1984462212387 is a wasteful number, since it uses less digits than its factorization.

1984462212387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40588.

The product of its digits is 9289728, while the sum is 57.

The spelling of 1984462212387 in words is "one trillion, nine hundred eighty-four billion, four hundred sixty-two million, two hundred twelve thousand, three hundred eighty-seven".