499988805351 has 32 divisors (see below), whose sum is σ = 780547719168. Its totient is φ = 278711765760.

The previous prime is 499988805319. The next prime is 499988805389. The reversal of 499988805351 is 153508889994.

It is not a de Polignac number, because 499988805351 - 2⁵ = 499988805319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499988805551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11202586 + ... + 11247128.

It is an arithmetic number, because the mean of its divisors is an integer number (24392116224).

Almost surely, 2^499988805351 is an apocalyptic number.

499988805351 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

499988805351 is a deficient number, since it is larger than the sum of its proper divisors (280558913817).

499988805351 is a wasteful number, since it uses less digits than its factorization.

499988805351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57631.

The product of its (nonzero) digits is 111974400, while the sum is 69.

The spelling of 499988805351 in words is "four hundred ninety-nine billion, nine hundred eighty-eight million, eight hundred five thousand, three hundred fifty-one".