494038019 has 4 divisors (see below), whose sum is σ = 520040040. Its totient is φ = 468036000.

The previous prime is 494037983. The next prime is 494038063. The reversal of 494038019 is 910830494.

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 494038019 - 2¹⁶ = 493972483 is a prime.

It is a super-2 number, since 2×494038019² = 488147128434888722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494038099) 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, 13000982 + ... + 13001019.

It is an arithmetic number, because the mean of its divisors is an integer number (130010010).

Almost surely, 2^494038019 is an apocalyptic number.

494038019 is a deficient number, since it is larger than the sum of its proper divisors (26002021).

494038019 is a wasteful number, since it uses less digits than its factorization.

494038019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26002020.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 494038019 is about 22226.9660322771. The cubic root of 494038019 is about 790.5332185041.

The spelling of 494038019 in words is "four hundred ninety-four million, thirty-eight thousand, nineteen".