1489134491237 has 4 divisors (see below), whose sum is σ = 1489149252396. Its totient is φ = 1489119730080.

The previous prime is 1489134491233. The next prime is 1489134491267. The reversal of 1489134491237 is 7321944319841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1166812596481 + 322321894756 = 1080191^2 + 567734^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489134491237 - 2² = 1489134491233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489134491233) 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, 7228208 + ... + 7431369.

It is an arithmetic number, because the mean of its divisors is an integer number (372287313099).

Almost surely, 2^{1489134491237} is an apocalyptic number.

It is an amenable number.

1489134491237 is a deficient number, since it is larger than the sum of its proper divisors (14761159).

1489134491237 is a wasteful number, since it uses less digits than its factorization.

1489134491237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14761158.

The product of its digits is 5225472, while the sum is 56.

The spelling of 1489134491237 in words is "one trillion, four hundred eighty-nine billion, one hundred thirty-four million, four hundred ninety-one thousand, two hundred thirty-seven".