1992831553 has 2 divisors, whose sum is σ = 1992831554. Its totient is φ = 1992831552.

The previous prime is 1992831551. The next prime is 1992831557. The reversal of 1992831553 is 3551382991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1882518544 + 110313009 = 43388^2 + 10503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992831553 - 2¹ = 1992831551 is a prime.

Together with 1992831551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1992831551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996415776 + 996415777.

It is an arithmetic number, because the mean of its divisors is an integer number (996415777).

Almost surely, 2^1992831553 is an apocalyptic number.

It is an amenable number.

1992831553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992831553 is an equidigital number, since it uses as much as digits as its factorization.

1992831553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 1992831553 is about 44641.1419320788. The cubic root of 1992831553 is about 1258.4139683407.

The spelling of 1992831553 in words is "one billion, nine hundred ninety-two million, eight hundred thirty-one thousand, five hundred fifty-three".