1982094453853 has 2 divisors, whose sum is σ = 1982094453854. Its totient is φ = 1982094453852.

The previous prime is 1982094453841. The next prime is 1982094453943. The reversal of 1982094453853 is 3583544902891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997957044484 + 984137409369 = 998978^2 + 992037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982094453853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1982094453791 and 1982094453800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982094454853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991047226926 + 991047226927.

It is an arithmetic number, because the mean of its divisors is an integer number (991047226927).

Almost surely, 2^{1982094453853} is an apocalyptic number.

It is an amenable number.

1982094453853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982094453853 is an equidigital number, since it uses as much as digits as its factorization.

1982094453853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 1982094453853 in words is "one trillion, nine hundred eighty-two billion, ninety-four million, four hundred fifty-three thousand, eight hundred fifty-three".