507480350821 has 2 divisors, whose sum is σ = 507480350822. Its totient is φ = 507480350820.

The previous prime is 507480350803. The next prime is 507480350851. The reversal of 507480350821 is 128053084705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357334950625 + 150145400196 = 597775^2 + 387486^2 .

It is a cyclic number.

It is not a de Polignac number, because 507480350821 - 2²³ = 507471962213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507480350851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253740175410 + 253740175411.

It is an arithmetic number, because the mean of its divisors is an integer number (253740175411).

Almost surely, 2^507480350821 is an apocalyptic number.

It is an amenable number.

507480350821 is a deficient number, since it is larger than the sum of its proper divisors (1).

507480350821 is an equidigital number, since it uses as much as digits as its factorization.

507480350821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 507480350821 in words is "five hundred seven billion, four hundred eighty million, three hundred fifty thousand, eight hundred twenty-one".