73092260821 has 2 divisors, whose sum is σ = 73092260822. Its totient is φ = 73092260820.

The previous prime is 73092260803. The next prime is 73092260863. The reversal of 73092260821 is 12806229037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68218126596 + 4874134225 = 261186^2 + 69815^2 .

It is a cyclic number.

It is not a de Polignac number, because 73092260821 - 2⁷ = 73092260693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73092260221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36546130410 + 36546130411.

It is an arithmetic number, because the mean of its divisors is an integer number (36546130411).

Almost surely, 2^73092260821 is an apocalyptic number.

It is an amenable number.

73092260821 is a deficient number, since it is larger than the sum of its proper divisors (1).

73092260821 is an equidigital number, since it uses as much as digits as its factorization.

73092260821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 73092260821 its reverse (12806229037), we get a palindrome (85898489858).

The spelling of 73092260821 in words is "seventy-three billion, ninety-two million, two hundred sixty thousand, eight hundred twenty-one".