499075069 has 4 divisors (see below), whose sum is σ = 528432444. Its totient is φ = 469717696.

The previous prime is 499075061. The next prime is 499075079. The reversal of 499075069 is 960570994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960570994 = 2 ⋅480285497.

It can be written as a sum of positive squares in 2 ways, for example, as 432848025 + 66227044 = 20805^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 499075069 - 2³ = 499075061 is a prime.

It is a super-2 number, since 2×499075069² = 498151848994709522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499075061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14678662 + ... + 14678695.

It is an arithmetic number, because the mean of its divisors is an integer number (132108111).

Almost surely, 2^499075069 is an apocalyptic number.

It is an amenable number.

499075069 is a deficient number, since it is larger than the sum of its proper divisors (29357375).

499075069 is a wasteful number, since it uses less digits than its factorization.

499075069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29357374.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 499075069 is about 22339.9881154848. The cubic root of 499075069 is about 793.2108117445.

The spelling of 499075069 in words is "four hundred ninety-nine million, seventy-five thousand, sixty-nine".