459154941649 has 2 divisors, whose sum is σ = 459154941650. Its totient is φ = 459154941648.

The previous prime is 459154941643. The next prime is 459154941671. The reversal of 459154941649 is 946149451954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351287363025 + 107867578624 = 592695^2 + 328432^2 .

It is a cyclic number.

It is not a de Polignac number, because 459154941649 - 2¹¹ = 459154939601 is a prime.

It is not a weakly prime, because it can be changed into another prime (459154941643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229577470824 + 229577470825.

It is an arithmetic number, because the mean of its divisors is an integer number (229577470825).

Almost surely, 2^459154941649 is an apocalyptic number.

It is an amenable number.

459154941649 is a deficient number, since it is larger than the sum of its proper divisors (1).

459154941649 is an equidigital number, since it uses as much as digits as its factorization.

459154941649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27993600, while the sum is 61.

The spelling of 459154941649 in words is "four hundred fifty-nine billion, one hundred fifty-four million, nine hundred forty-one thousand, six hundred forty-nine".