494426069 has 4 divisors (see below), whose sum is σ = 496936044. Its totient is φ = 491916096.

The previous prime is 494426057. The next prime is 494426081. The reversal of 494426069 is 960624494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960624494 = 2 ⋅480312247.

It is an interprime number because it is at equal distance from previous prime (494426057) and next prime (494426081).

It can be written as a sum of positive squares in 2 ways, for example, as 266113969 + 228312100 = 16313^2 + 15110^2 .

It is a cyclic number.

It is not a de Polignac number, because 494426069 - 2¹² = 494421973 is a prime.

It is a super-2 number, since 2×494426069² = 488914275413585522, which 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 (494426089) 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, 1254692 + ... + 1255085.

It is an arithmetic number, because the mean of its divisors is an integer number (124234011).

Almost surely, 2^494426069 is an apocalyptic number.

It is an amenable number.

494426069 is a deficient number, since it is larger than the sum of its proper divisors (2509975).

494426069 is a wasteful number, since it uses less digits than its factorization.

494426069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509974.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 494426069 is about 22235.6935803676. The cubic root of 494426069 is about 790.7401432889.

It can be divided in two parts, 4944 and 26069, that added together give a palindrome (31013).

The spelling of 494426069 in words is "four hundred ninety-four million, four hundred twenty-six thousand, sixty-nine".