494158039 has 2 divisors, whose sum is σ = 494158040. Its totient is φ = 494158038.

The previous prime is 494158037. The next prime is 494158043. The reversal of 494158039 is 930851494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494158039 - 2¹ = 494158037 is a prime.

Together with 494158037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 494157986 and 494158004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494158037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247079019 + 247079020.

It is an arithmetic number, because the mean of its divisors is an integer number (247079020).

Almost surely, 2^494158039 is an apocalyptic number.

494158039 is a deficient number, since it is larger than the sum of its proper divisors (1).

494158039 is an equidigital number, since it uses as much as digits as its factorization.

494158039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 494158039 is about 22229.6657419764. The cubic root of 494158039 is about 790.5972298494.

The spelling of 494158039 in words is "four hundred ninety-four million, one hundred fifty-eight thousand, thirty-nine".