494976739 has 4 divisors (see below), whose sum is σ = 499517920. Its totient is φ = 490435560.

The previous prime is 494976731. The next prime is 494976749. The reversal of 494976739 is 937679494.

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 494976739 - 2³ = 494976731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494976731) 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, 2270427 + ... + 2270644.

It is an arithmetic number, because the mean of its divisors is an integer number (124879480).

Almost surely, 2^494976739 is an apocalyptic number.

494976739 is a deficient number, since it is larger than the sum of its proper divisors (4541181).

494976739 is a wasteful number, since it uses less digits than its factorization.

494976739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541180.

The product of its digits is 10287648, while the sum is 58.

The square root of 494976739 is about 22248.0727030455. The cubic root of 494976739 is about 791.0335982294.

The spelling of 494976739 in words is "four hundred ninety-four million, nine hundred seventy-six thousand, seven hundred thirty-nine".