494111945 has 8 divisors (see below), whose sum is σ = 612061440. Its totient is φ = 382538160.

The previous prime is 494111941. The next prime is 494111963. The reversal of 494111945 is 549111494.

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

It is not a de Polignac number, because 494111945 - 2² = 494111941 is a prime.

It is a super-2 number, since 2×494111945² = 488293228383366050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494111899 and 494111908.

It is not an unprimeable number, because it can be changed into a prime (494111941) 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, 1593755 + ... + 1594064.

It is an arithmetic number, because the mean of its divisors is an integer number (76507680).

Almost surely, 2^494111945 is an apocalyptic number.

It is an amenable number.

494111945 is a deficient number, since it is larger than the sum of its proper divisors (117949495).

494111945 is a wasteful number, since it uses less digits than its factorization.

494111945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187855.

The product of its digits is 25920, while the sum is 38.

The square root of 494111945 is about 22228.6289500725. The cubic root of 494111945 is about 790.5726473482.

The spelling of 494111945 in words is "four hundred ninety-four million, one hundred eleven thousand, nine hundred forty-five".