1988959555483 has 2 divisors, whose sum is σ = 1988959555484. Its totient is φ = 1988959555482.

The previous prime is 1988959555481. The next prime is 1988959555489. The reversal of 1988959555483 is 3845559598891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1988959555483 - 2¹ = 1988959555481 is a prime.

It is a super-2 number, since 2×1988959555483² (a number of 25 digits) contains 22 as substring.

Together with 1988959555481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1988959555481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994479777741 + 994479777742.

It is an arithmetic number, because the mean of its divisors is an integer number (994479777742).

Almost surely, 2^{1988959555483} is an apocalyptic number.

1988959555483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988959555483 is an equidigital number, since it uses as much as digits as its factorization.

1988959555483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360000, while the sum is 79.

The spelling of 1988959555483 in words is "one trillion, nine hundred eighty-eight billion, nine hundred fifty-nine million, five hundred fifty-five thousand, four hundred eighty-three".