499481470319 has 4 divisors (see below), whose sum is σ = 537903121896. Its totient is φ = 461059818744.

The previous prime is 499481470309. The next prime is 499481470343. The reversal of 499481470319 is 913074184994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499481470319 is a prime.

It is a super-2 number, since 2×499481470319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499481470309) 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, 19210825769 + ... + 19210825794.

It is an arithmetic number, because the mean of its divisors is an integer number (134475780474).

Almost surely, 2^499481470319 is an apocalyptic number.

499481470319 is a deficient number, since it is larger than the sum of its proper divisors (38421651577).

499481470319 is a wasteful number, since it uses less digits than its factorization.

499481470319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38421651576.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 499481470319 in words is "four hundred ninety-nine billion, four hundred eighty-one million, four hundred seventy thousand, three hundred nineteen".