499979769 has 8 divisors (see below), whose sum is σ = 666853152. Its totient is φ = 333213120.

The previous prime is 499979761. The next prime is 499979783. The reversal of 499979769 is 967979994.

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

It is not a de Polignac number, because 499979769 - 2³ = 499979761 is a prime.

It is a super-2 number, since 2×499979769² = 499959538818586722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499979761) 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, 15024 + ... + 35009.

It is an arithmetic number, because the mean of its divisors is an integer number (83356644).

Almost surely, 2^499979769 is an apocalyptic number.

It is an amenable number.

499979769 is a deficient number, since it is larger than the sum of its proper divisors (166873383).

499979769 is a wasteful number, since it uses less digits than its factorization.

499979769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53367.

The product of its digits is 69441624, while the sum is 69.

The square root of 499979769 is about 22360.2273915092. The cubic root of 499979769 is about 793.6898209362.

The spelling of 499979769 in words is "four hundred ninety-nine million, nine hundred seventy-nine thousand, seven hundred sixty-nine".