494951923 has 8 divisors (see below), whose sum is σ = 538231392. Its totient is φ = 453246336.

The previous prime is 494951917. The next prime is 494951993. The reversal of 494951923 is 329159494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494951923 - 2⁹ = 494951411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494951993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392815 + ... + 394072.

It is an arithmetic number, because the mean of its divisors is an integer number (67278924).

Almost surely, 2^494951923 is an apocalyptic number.

494951923 is a deficient number, since it is larger than the sum of its proper divisors (43279469).

494951923 is a wasteful number, since it uses less digits than its factorization.

494951923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786941.

The product of its digits is 349920, while the sum is 46.

The square root of 494951923 is about 22247.5149848247. The cubic root of 494951923 is about 791.0203783369.

The spelling of 494951923 in words is "four hundred ninety-four million, nine hundred fifty-one thousand, nine hundred twenty-three".