1490453709 has 8 divisors (see below), whose sum is σ = 1992967200. Its totient is φ = 990788016.

The previous prime is 1490453677. The next prime is 1490453711. The reversal of 1490453709 is 9073540941.

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

It is not a de Polignac number, because 1490453709 - 2⁵ = 1490453677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490453749) 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, 710727 + ... + 712820.

It is an arithmetic number, because the mean of its divisors is an integer number (249120900).

Almost surely, 2^1490453709 is an apocalyptic number.

It is an amenable number.

1490453709 is a deficient number, since it is larger than the sum of its proper divisors (502513491).

1490453709 is a wasteful number, since it uses less digits than its factorization.

1490453709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423899.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1490453709 is about 38606.3946646148. The cubic root of 1490453709 is about 1142.2806781654.

The spelling of 1490453709 in words is "one billion, four hundred ninety million, four hundred fifty-three thousand, seven hundred nine".