494641923 has 4 divisors (see below), whose sum is σ = 659522568. Its totient is φ = 329761280.

The previous prime is 494641913. The next prime is 494641963. The reversal of 494641923 is 329146494.

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 494641923 - 2¹⁴ = 494625539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494641913) 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, 82440318 + ... + 82440323.

It is an arithmetic number, because the mean of its divisors is an integer number (164880642).

Almost surely, 2^494641923 is an apocalyptic number.

494641923 is a deficient number, since it is larger than the sum of its proper divisors (164880645).

494641923 is a wasteful number, since it uses less digits than its factorization.

494641923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164880644.

The product of its digits is 186624, while the sum is 42.

The square root of 494641923 is about 22240.5468233135. The cubic root of 494641923 is about 790.8551989739.

The spelling of 494641923 in words is "four hundred ninety-four million, six hundred forty-one thousand, nine hundred twenty-three".