494377641 has 8 divisors (see below), whose sum is σ = 732411360. Its totient is φ = 329585076.

The previous prime is 494377633. The next prime is 494377643. The reversal of 494377641 is 146773494.

It is not a de Polignac number, because 494377641 - 2³ = 494377633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494377643) 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, 9155115 + ... + 9155168.

It is an arithmetic number, because the mean of its divisors is an integer number (91551420).

Almost surely, 2^494377641 is an apocalyptic number.

It is an amenable number.

494377641 is a deficient number, since it is larger than the sum of its proper divisors (238033719).

494377641 is a wasteful number, since it uses less digits than its factorization.

494377641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18310292 (or 18310286 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 494377641 is about 22234.6045838463. The cubic root of 494377641 is about 790.7143253312.

The spelling of 494377641 in words is "four hundred ninety-four million, three hundred seventy-seven thousand, six hundred forty-one".