1489118401 has 4 divisors (see below), whose sum is σ = 1525438404. Its totient is φ = 1452798400.

The previous prime is 1489118381. The next prime is 1489118431. The reversal of 1489118401 is 1048119841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1048119841 = 151 ⋅6941191.

It can be written as a sum of positive squares in 2 ways, for example, as 726033025 + 763085376 = 26945^2 + 27624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489118401 - 2⁷ = 1489118273 is a prime.

It is a super-2 number, since 2×1489118401² = 4434947224393593602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489118431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18159940 + ... + 18160021.

It is an arithmetic number, because the mean of its divisors is an integer number (381359601).

Almost surely, 2^1489118401 is an apocalyptic number.

It is an amenable number.

1489118401 is a deficient number, since it is larger than the sum of its proper divisors (36320003).

1489118401 is an equidigital number, since it uses as much as digits as its factorization.

1489118401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36320002.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 1489118401 is about 38589.0969186894. The cubic root of 1489118401 is about 1141.9394504678.

The spelling of 1489118401 in words is "one billion, four hundred eighty-nine million, one hundred eighteen thousand, four hundred one".