499603261271 has 4 divisors (see below), whose sum is σ = 502218985344. Its totient is φ = 496987537200.

The previous prime is 499603261249. The next prime is 499603261301. The reversal of 499603261271 is 172162306994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172162306994 = 2 ⋅86081153497.

It is a cyclic number.

It is not a de Polignac number, because 499603261271 - 2⁶ = 499603261207 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 (499603261211) 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, 1307861750 + ... + 1307862131.

It is an arithmetic number, because the mean of its divisors is an integer number (125554746336).

Almost surely, 2^499603261271 is an apocalyptic number.

499603261271 is a deficient number, since it is larger than the sum of its proper divisors (2615724073).

499603261271 is a wasteful number, since it uses less digits than its factorization.

499603261271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615724072.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 499603261271 in words is "four hundred ninety-nine billion, six hundred three million, two hundred sixty-one thousand, two hundred seventy-one".