494141839 has 4 divisors (see below), whose sum is σ = 523209024. Its totient is φ = 465074656.

The previous prime is 494141833. The next prime is 494141897. The reversal of 494141839 is 938141494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938141494 = 2 ⋅469070747.

It is a cyclic number.

It is not a de Polignac number, because 494141839 - 2²³ = 485753231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494141795 and 494141804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494141833) 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, 14533567 + ... + 14533600.

It is an arithmetic number, because the mean of its divisors is an integer number (130802256).

Almost surely, 2^494141839 is an apocalyptic number.

494141839 is a deficient number, since it is larger than the sum of its proper divisors (29067185).

494141839 is a wasteful number, since it uses less digits than its factorization.

494141839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29067184.

The product of its digits is 124416, while the sum is 43.

The square root of 494141839 is about 22229.3013610415. The cubic root of 494141839 is about 790.5885903630.

The spelling of 494141839 in words is "four hundred ninety-four million, one hundred forty-one thousand, eight hundred thirty-nine".