490613789 has 8 divisors (see below), whose sum is σ = 510256032. Its totient is φ = 471345840.

The previous prime is 490613743. The next prime is 490613797. The reversal of 490613789 is 987316094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490613789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490613089) 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, 90899 + ... + 96144.

It is an arithmetic number, because the mean of its divisors is an integer number (63782004).

Almost surely, 2^490613789 is an apocalyptic number.

It is an amenable number.

490613789 is a deficient number, since it is larger than the sum of its proper divisors (19642243).

490613789 is a wasteful number, since it uses less digits than its factorization.

490613789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187147.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 490613789 is about 22149.8033625583. The cubic root of 490613789 is about 788.7025592258.

The spelling of 490613789 in words is "four hundred ninety million, six hundred thirteen thousand, seven hundred eighty-nine".