819008051 has 2 divisors, whose sum is σ = 819008052. Its totient is φ = 819008050.

The previous prime is 819008039. The next prime is 819008083. The reversal of 819008051 is 150800918.

It is a happy number.

It is an a-pointer prime, because the next prime (819008083) can be obtained adding 819008051 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-819008051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 819007999 and 819008017.

It is not a weakly prime, because it can be changed into another prime (819008011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409504025 + 409504026.

It is an arithmetic number, because the mean of its divisors is an integer number (409504026).

Almost surely, 2^819008051 is an apocalyptic number.

819008051 is a deficient number, since it is larger than the sum of its proper divisors (1).

819008051 is an equidigital number, since it uses as much as digits as its factorization.

819008051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 819008051 is about 28618.3167045164. The cubic root of 819008051 is about 935.6125894933.

Adding to 819008051 its reverse (150800918), we get a palindrome (969808969).

The spelling of 819008051 in words is "eight hundred nineteen million, eight thousand, fifty-one".