490653709 has 24 divisors (see below), whose sum is σ = 634518528. Its totient is φ = 375671520.

The previous prime is 490653689. The next prime is 490653721. The reversal of 490653709 is 907356094.

It is not a de Polignac number, because 490653709 - 2¹¹ = 490651661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490653769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7324 + ... + 32170.

It is an arithmetic number, because the mean of its divisors is an integer number (26438272).

Almost surely, 2^490653709 is an apocalyptic number.

490653709 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

490653709 is a deficient number, since it is larger than the sum of its proper divisors (143864819).

490653709 is a wasteful number, since it uses less digits than its factorization.

490653709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905 (or 24898 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 490653709 is about 22150.7044808963. The cubic root of 490653709 is about 788.7239502214.

The spelling of 490653709 in words is "four hundred ninety million, six hundred fifty-three thousand, seven hundred nine".