1982903471 has 2 divisors, whose sum is σ = 1982903472. Its totient is φ = 1982903470.

The previous prime is 1982903431. The next prime is 1982903509. The reversal of 1982903471 is 1743092891.

It is a strong prime.

It is an emirp because it is prime and its reverse (1743092891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1982903471 - 2¹⁸ = 1982641327 is a prime.

It is a super-3 number, since 3×1982903471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982903431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991451735 + 991451736.

It is an arithmetic number, because the mean of its divisors is an integer number (991451736).

Almost surely, 2^1982903471 is an apocalyptic number.

1982903471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982903471 is an equidigital number, since it uses as much as digits as its factorization.

1982903471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1982903471 is about 44529.8043000416. The cubic root of 1982903471 is about 1256.3207253533.

The spelling of 1982903471 in words is "one billion, nine hundred eighty-two million, nine hundred three thousand, four hundred seventy-one".