499344969769 has 8 divisors (see below), whose sum is σ = 516576031560. Its totient is φ = 482114726016.

The previous prime is 499344969763. The next prime is 499344969779. The reversal of 499344969769 is 967969443994.

It can be written as a sum of positive squares in 4 ways, for example, as 400520169 + 498944449600 = 20013^2 + 706360^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499344969769 is a prime.

It is a super-2 number, since 2×499344969769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499344969763) 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, 1201269 + ... + 1562605.

It is an arithmetic number, because the mean of its divisors is an integer number (64572003945).

Almost surely, 2^499344969769 is an apocalyptic number.

It is an amenable number.

499344969769 is a deficient number, since it is larger than the sum of its proper divisors (17231061791).

499344969769 is a wasteful number, since it uses less digits than its factorization.

499344969769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409019.

The product of its digits is 2857026816, while the sum is 79.

The spelling of 499344969769 in words is "four hundred ninety-nine billion, three hundred forty-four million, nine hundred sixty-nine thousand, seven hundred sixty-nine".