499481257667 has 8 divisors (see below), whose sum is σ = 604414295136. Its totient is φ = 402942863232.

The previous prime is 499481257651. The next prime is 499481257739. The reversal of 499481257667 is 766752184994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499481257667 - 2⁴ = 499481257651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499481257597 and 499481257606.

It is not an unprimeable number, because it can be changed into a prime (499481257607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098660628 + ... + 2098660865.

It is an arithmetic number, because the mean of its divisors is an integer number (75551786892).

Almost surely, 2^499481257667 is an apocalyptic number.

499481257667 is a deficient number, since it is larger than the sum of its proper divisors (104933037469).

499481257667 is a wasteful number, since it uses less digits than its factorization.

499481257667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197321517.

The product of its digits is 182891520, while the sum is 68.

The spelling of 499481257667 in words is "four hundred ninety-nine billion, four hundred eighty-one million, two hundred fifty-seven thousand, six hundred sixty-seven".