494078519 has 4 divisors (see below), whose sum is σ = 538994760. Its totient is φ = 449162280.

The previous prime is 494078513. The next prime is 494078549. The reversal of 494078519 is 915870494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494078519 - 2⁴ = 494078503 is a prime.

It is a super-2 number, since 2×494078519² = 488227165874466722, 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 (494078513) 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, 22458104 + ... + 22458125.

It is an arithmetic number, because the mean of its divisors is an integer number (134748690).

Almost surely, 2^494078519 is an apocalyptic number.

494078519 is a deficient number, since it is larger than the sum of its proper divisors (44916241).

494078519 is a wasteful number, since it uses less digits than its factorization.

494078519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44916240.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 494078519 is about 22227.8770691220. The cubic root of 494078519 is about 790.5548198919.

The spelling of 494078519 in words is "four hundred ninety-four million, seventy-eight thousand, five hundred nineteen".