499890713869 has 16 divisors (see below), whose sum is σ = 519825080320. Its totient is φ = 480195702000.

The previous prime is 499890713863. The next prime is 499890713891. The reversal of 499890713869 is 968317098994.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 499890713869 - 2²⁵ = 499857159437 is a prime.

It is a super-2 number, since 2×499890713869² (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 (499890713863) 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, 46148284 + ... + 46159114.

It is an arithmetic number, because the mean of its divisors is an integer number (32489067520).

Almost surely, 2^499890713869 is an apocalyptic number.

It is an amenable number.

499890713869 is a deficient number, since it is larger than the sum of its proper divisors (19934366451).

499890713869 is a wasteful number, since it uses less digits than its factorization.

499890713869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712.

The product of its (nonzero) digits is 211631616, while the sum is 73.

The spelling of 499890713869 in words is "four hundred ninety-nine billion, eight hundred ninety million, seven hundred thirteen thousand, eight hundred sixty-nine".