1490443633 has 12 divisors (see below), whose sum is σ = 1734606900. Its totient is φ = 1276914912.

The previous prime is 1490443627. The next prime is 1490443673. The reversal of 1490443633 is 3363440941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1322922384 + 167521249 = 36372^2 + 12943^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1490443633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1490443592 and 1490443601.

It is not an unprimeable number, because it can be changed into a prime (1490443673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118935 + ... + 130867.

It is an arithmetic number, because the mean of its divisors is an integer number (144550575).

Almost surely, 2^1490443633 is an apocalyptic number.

It is an amenable number.

1490443633 is a deficient number, since it is larger than the sum of its proper divisors (244163267).

1490443633 is a wasteful number, since it uses less digits than its factorization.

1490443633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496 (or 14489 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 1490443633 is about 38606.2641678782. The cubic root of 1490443633 is about 1142.2781040844.

The spelling of 1490443633 in words is "one billion, four hundred ninety million, four hundred forty-three thousand, six hundred thirty-three".