1489153447490 has 8 divisors (see below), whose sum is σ = 2680476205500. Its totient is φ = 595661378992.

The previous prime is 1489153447469. The next prime is 1489153447493. The reversal of 1489153447490 is 947443519841.

It can be written as a sum of positive squares in 2 ways, for example, as 1425776895481 + 63376552009 = 1194059^2 + 251747^2 .

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

It is a super-3 number, since 3×1489153447490³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1489153447493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74457672365 + ... + 74457672384.

Almost surely, 2^{1489153447490} is an apocalyptic number.

1489153447490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1489153447490 is a deficient number, since it is larger than the sum of its proper divisors (1191322758010).

1489153447490 is a wasteful number, since it uses less digits than its factorization.

1489153447490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148915344756.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1489153447490 in words is "one trillion, four hundred eighty-nine billion, one hundred fifty-three million, four hundred forty-seven thousand, four hundred ninety".