1448732311469 has 8 divisors (see below), whose sum is σ = 1491635080728. Its totient is φ = 1406026797120.

The previous prime is 1448732311459. The next prime is 1448732311471. The reversal of 1448732311469 is 9641132378441.

It can be written as a sum of positive squares in 4 ways, for example, as 697580755369 + 751151556100 = 835213^2 + 866690^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1448732311469 - 2²⁰ = 1448731262893 is a prime.

It is a super-2 number, since 2×1448732311469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1448732311469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448732311459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49298822 + ... + 49328199.

It is an arithmetic number, because the mean of its divisors is an integer number (186454385091).

Almost surely, 2^{1448732311469} is an apocalyptic number.

It is an amenable number.

1448732311469 is a deficient number, since it is larger than the sum of its proper divisors (42902769259).

1448732311469 is an equidigital number, since it uses as much as digits as its factorization.

1448732311469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98627455.

The product of its digits is 3483648, while the sum is 53.

The spelling of 1448732311469 in words is "one trillion, four hundred forty-eight billion, seven hundred thirty-two million, three hundred eleven thousand, four hundred sixty-nine".