505054645459 has 16 divisors (see below), whose sum is σ = 622114117632. Its totient is φ = 399276847008.

The previous prime is 505054645427. The next prime is 505054645477. The reversal of 505054645459 is 954546450505.

It is not a de Polignac number, because 505054645459 - 2⁵ = 505054645427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505054645859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157739 + ... + 2380324.

It is an arithmetic number, because the mean of its divisors is an integer number (38882132352).

Almost surely, 2^505054645459 is an apocalyptic number.

505054645459 is a deficient number, since it is larger than the sum of its proper divisors (117059472173).

505054645459 is a wasteful number, since it uses less digits than its factorization.

505054645459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539306.

The product of its (nonzero) digits is 10800000, while the sum is 52.

It can be divided in two parts, 50505 and 4645459, that added together give a palindrome (4695964).

The spelling of 505054645459 in words is "five hundred five billion, fifty-four million, six hundred forty-five thousand, four hundred fifty-nine".