499904147522 has 16 divisors (see below), whose sum is σ = 829362807672. Its totient is φ = 224489180160.

The previous prime is 499904147513. The next prime is 499904147539. The reversal of 499904147522 is 225741409994.

It is a Cunningham number, because it is equal to 707039²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 499904147521 + 1 = 707039^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259824479 + ... + 259826402.

Almost surely, 2^499904147522 is an apocalyptic number.

499904147522 is a deficient number, since it is larger than the sum of its proper divisors (329458660150).

499904147522 is a wasteful number, since it uses less digits than its factorization.

499904147522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519650933.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 499904147522 in words is "four hundred ninety-nine billion, nine hundred four million, one hundred forty-seven thousand, five hundred twenty-two".