806493783037 has 2 divisors, whose sum is σ = 806493783038. Its totient is φ = 806493783036.

The previous prime is 806493783031. The next prime is 806493783049. The reversal of 806493783037 is 730387394608.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618281843481 + 188211939556 = 786309^2 + 433834^2 .

It is a cyclic number.

It is not a de Polignac number, because 806493783037 - 2¹⁹ = 806493258749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806493783031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403246891518 + 403246891519.

It is an arithmetic number, because the mean of its divisors is an integer number (403246891519).

Almost surely, 2^806493783037 is an apocalyptic number.

It is an amenable number.

806493783037 is a deficient number, since it is larger than the sum of its proper divisors (1).

806493783037 is an equidigital number, since it uses as much as digits as its factorization.

806493783037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 806493783037 in words is "eight hundred six billion, four hundred ninety-three million, seven hundred eighty-three thousand, thirty-seven".