459261774721 has 6 divisors (see below), whose sum is σ = 487866314630. Its totient is φ = 432246375936.

The previous prime is 459261774703. The next prime is 459261774869. The reversal of 459261774721 is 127477162954.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 352080836496 + 107180938225 = 593364^2 + 327385^2 .

It is not a de Polignac number, because 459261774721 - 2¹³ = 459261766529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459261772721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794570256 + ... + 794570833.

Almost surely, 2^459261774721 is an apocalyptic number.

It is an amenable number.

459261774721 is a deficient number, since it is larger than the sum of its proper divisors (28604539909).

459261774721 is a wasteful number, since it uses less digits than its factorization.

459261774721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589141123 (or 1589141106 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The spelling of 459261774721 in words is "four hundred fifty-nine billion, two hundred sixty-one million, seven hundred seventy-four thousand, seven hundred twenty-one".