819633674053 has 2 divisors, whose sum is σ = 819633674054. Its totient is φ = 819633674052.

The previous prime is 819633674023. The next prime is 819633674107. The reversal of 819633674053 is 350476336918.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816234550849 + 3399123204 = 903457^2 + 58302^2 .

It is a cyclic number.

It is not a de Polignac number, because 819633674053 - 2⁵ = 819633674021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 819633673985 and 819633674003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (819633674023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409816837026 + 409816837027.

It is an arithmetic number, because the mean of its divisors is an integer number (409816837027).

Almost surely, 2^819633674053 is an apocalyptic number.

It is an amenable number.

819633674053 is a deficient number, since it is larger than the sum of its proper divisors (1).

819633674053 is an equidigital number, since it uses as much as digits as its factorization.

819633674053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 819633674053 in words is "eight hundred nineteen billion, six hundred thirty-three million, six hundred seventy-four thousand, fifty-three".