819672983 has 2 divisors, whose sum is σ = 819672984. Its totient is φ = 819672982.

The previous prime is 819672949. The next prime is 819673007. The reversal of 819672983 is 389276918.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 819672983 - 2²⁰ = 818624407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (819672913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409836491 + 409836492.

It is an arithmetic number, because the mean of its divisors is an integer number (409836492).

Almost surely, 2^819672983 is an apocalyptic number.

819672983 is a deficient number, since it is larger than the sum of its proper divisors (1).

819672983 is an equidigital number, since it uses as much as digits as its factorization.

819672983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 819672983 is about 28629.9315926532. The cubic root of 819672983 is about 935.8657210975.

The spelling of 819672983 in words is "eight hundred nineteen million, six hundred seventy-two thousand, nine hundred eighty-three".