1490341975489 has 8 divisors (see below), whose sum is σ = 1491753687912. Its totient is φ = 1488930537600.

The previous prime is 1490341975483. The next prime is 1490341975501. The reversal of 1490341975489 is 9845791430941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 380648279089 + 1109693696400 = 616967^2 + 1053420^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1490341975489 - 2⁷ = 1490341975361 is a prime.

It is a super-2 number, since 2×1490341975489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490341975489.

It is not an unprimeable number, because it can be changed into a prime (1490341975483) 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, 11748807 + ... + 11874979.

It is an arithmetic number, because the mean of its divisors is an integer number (186469210989).

Almost surely, 2^{1490341975489} is an apocalyptic number.

It is an amenable number.

1490341975489 is a deficient number, since it is larger than the sum of its proper divisors (1411712423).

1490341975489 is a wasteful number, since it uses less digits than its factorization.

1490341975489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137267.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1490341975489 in words is "one trillion, four hundred ninety billion, three hundred forty-one million, nine hundred seventy-five thousand, four hundred eighty-nine".