1489491592249 has 16 divisors (see below), whose sum is σ = 1546021064704. Its totient is φ = 1433502781200.

The previous prime is 1489491592241. The next prime is 1489491592271. The reversal of 1489491592249 is 9422951949841.

It is not a de Polignac number, because 1489491592249 - 2³ = 1489491592241 is a prime.

It is a super-2 number, since 2×1489491592249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489491592241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8435542 + ... + 8610304.

It is an arithmetic number, because the mean of its divisors is an integer number (96626316544).

Almost surely, 2^{1489491592249} is an apocalyptic number.

It is an amenable number.

1489491592249 is a deficient number, since it is larger than the sum of its proper divisors (56529472455).

1489491592249 is a wasteful number, since it uses less digits than its factorization.

1489491592249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176308.

The product of its digits is 67184640, while the sum is 67.

The spelling of 1489491592249 in words is "one trillion, four hundred eighty-nine billion, four hundred ninety-one million, five hundred ninety-two thousand, two hundred forty-nine".