500026431481 has 4 divisors (see below), whose sum is σ = 500029647012. Its totient is φ = 500023215952.

The previous prime is 500026431397. The next prime is 500026431493. The reversal of 500026431481 is 184134620005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 482342751081 + 17683680400 = 694509^2 + 132980^2 .

It is a cyclic number.

It is not a de Polignac number, because 500026431481 - 2²⁷ = 499892213753 is a prime.

It is a super-2 number, since 2×500026431481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500026431181) 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, 1361986 + ... + 1689691.

It is an arithmetic number, because the mean of its divisors is an integer number (125007411753).

Almost surely, 2^500026431481 is an apocalyptic number.

It is an amenable number.

500026431481 is a deficient number, since it is larger than the sum of its proper divisors (3215531).

500026431481 is a wasteful number, since it uses less digits than its factorization.

500026431481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215530.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 500026431481 in words is "five hundred billion, twenty-six million, four hundred thirty-one thousand, four hundred eighty-one".