201454513009 has 2 divisors, whose sum is σ = 201454513010. Its totient is φ = 201454513008.

The previous prime is 201454512937. The next prime is 201454513019. The reversal of 201454513009 is 900315454102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195129810225 + 6324702784 = 441735^2 + 79528^2 .

It is a cyclic number.

It is not a de Polignac number, because 201454513009 - 2¹⁹ = 201453988721 is a prime.

It is not a weakly prime, because it can be changed into another prime (201454513019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100727256504 + 100727256505.

It is an arithmetic number, because the mean of its divisors is an integer number (100727256505).

Almost surely, 2^201454513009 is an apocalyptic number.

It is an amenable number.

201454513009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201454513009 is an equidigital number, since it uses as much as digits as its factorization.

201454513009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 201454513009 in words is "two hundred one billion, four hundred fifty-four million, five hundred thirteen thousand, nine".