53133205009 has 2 divisors, whose sum is σ = 53133205010. Its totient is φ = 53133205008.

The previous prime is 53133205001. The next prime is 53133205031. The reversal of 53133205009 is 90050233135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41627424784 + 11505780225 = 204028^2 + 107265^2 .

It is a cyclic number.

It is not a de Polignac number, because 53133205009 - 2³ = 53133205001 is a prime.

It is not a weakly prime, because it can be changed into another prime (53133205001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26566602504 + 26566602505.

It is an arithmetic number, because the mean of its divisors is an integer number (26566602505).

Almost surely, 2^53133205009 is an apocalyptic number.

It is an amenable number.

53133205009 is a deficient number, since it is larger than the sum of its proper divisors (1).

53133205009 is an equidigital number, since it uses as much as digits as its factorization.

53133205009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The spelling of 53133205009 in words is "fifty-three billion, one hundred thirty-three million, two hundred five thousand, nine".