494739361 has 4 divisors (see below), whose sum is σ = 516249792. Its totient is φ = 473228932.

The previous prime is 494739359. The next prime is 494739373. The reversal of 494739361 is 163937494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494739361 - 2¹ = 494739359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494739961) 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, 10755181 + ... + 10755226.

It is an arithmetic number, because the mean of its divisors is an integer number (129062448).

Almost surely, 2^494739361 is an apocalyptic number.

It is an amenable number.

494739361 is a deficient number, since it is larger than the sum of its proper divisors (21510431).

494739361 is a wasteful number, since it uses less digits than its factorization.

494739361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510430.

The product of its digits is 489888, while the sum is 46.

The square root of 494739361 is about 22242.7372641049. The cubic root of 494739361 is about 790.9071249470.

The spelling of 494739361 in words is "four hundred ninety-four million, seven hundred thirty-nine thousand, three hundred sixty-one".