459949765591 has 4 divisors (see below), whose sum is σ = 459992133000. Its totient is φ = 459907398184.

The previous prime is 459949765579. The next prime is 459949765621. The reversal of 459949765591 is 195567949954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 459949765591 - 2²⁹ = 459412894679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459949765501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21167416 + ... + 21189133.

It is an arithmetic number, because the mean of its divisors is an integer number (114998033250).

Almost surely, 2^459949765591 is an apocalyptic number.

459949765591 is a deficient number, since it is larger than the sum of its proper divisors (42367409).

459949765591 is a wasteful number, since it uses less digits than its factorization.

459949765591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42367408.

The product of its digits is 551124000, while the sum is 73.

The spelling of 459949765591 in words is "four hundred fifty-nine billion, nine hundred forty-nine million, seven hundred sixty-five thousand, five hundred ninety-one".