499763622515 has 16 divisors (see below), whose sum is σ = 614576771328. Its totient is φ = 390019820256.

The previous prime is 499763622509. The next prime is 499763622517. The reversal of 499763622515 is 515226367994.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499763622515 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499763622517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7207397 + ... + 7276406.

It is an arithmetic number, because the mean of its divisors is an integer number (38411048208).

Almost surely, 2^499763622515 is an apocalyptic number.

499763622515 is a deficient number, since it is larger than the sum of its proper divisors (114813148813).

499763622515 is a wasteful number, since it uses less digits than its factorization.

499763622515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483978.

The product of its digits is 24494400, while the sum is 59.

The spelling of 499763622515 in words is "four hundred ninety-nine billion, seven hundred sixty-three million, six hundred twenty-two thousand, five hundred fifteen".