477553052909 has 2 divisors, whose sum is σ = 477553052910. Its totient is φ = 477553052908.

The previous prime is 477553052881. The next prime is 477553052941. The reversal of 477553052909 is 909250355774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437346787684 + 40206265225 = 661322^2 + 200515^2 .

It is a cyclic number.

It is not a de Polignac number, because 477553052909 - 2¹² = 477553048813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477553052309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238776526454 + 238776526455.

It is an arithmetic number, because the mean of its divisors is an integer number (238776526455).

Almost surely, 2^477553052909 is an apocalyptic number.

It is an amenable number.

477553052909 is a deficient number, since it is larger than the sum of its proper divisors (1).

477553052909 is an equidigital number, since it uses as much as digits as its factorization.

477553052909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907000, while the sum is 56.

The spelling of 477553052909 in words is "four hundred seventy-seven billion, five hundred fifty-three million, fifty-two thousand, nine hundred nine".